1640021760

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:320

約数の個数: 432

約数和(自身を含む): 6267590784

約数和(自身を除く): 4627569024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 47, 48, 52, 60, 64, 65, 72, 78, 80, 90, 94, 96, 104, 117, 120, 128, 130, 141, 144, 156, 160, 180, 188, 192, 195, 208, 233, 234, 235, 240, 256, 260, 282, 288, 312, 320, 360, 376, 384, 390, 416, 423, 466, 468, 470, 480, 520, 564, 576, 585, 611, 624, 640, 699, 705, 720, 752, 768, 780, 832, 846, 932, 936, 940, 960, 1040, 1128, 1152, 1165, 1170, 1222, 1248, 1280, 1398, 1410, 1440, 1504, 1560, 1664, 1692, 1833, 1864, 1872, 1880, 1920, 2080, 2097, 2115, 2256, 2304, 2330, 2340, 2444, 2496, 2796, 2820, 2880, 3008, 3029, 3055, 3120, 3328, 3384, 3495, 3666, 3728, 3744, 3760, 3840, 4160, 4194, 4230, 4512, 4660, 4680, 4888, 4992, 5499, 5592, 5640, 5760, 6016, 6058, 6110, 6240, 6768, 6990, 7332, 7456, 7488, 7520, 8320, 8388, 8460, 9024, 9087, 9165, 9320, 9360, 9776, 9984, 10485, 10951, 10998, 11184, 11280, 11520, 12032, 12116, 12220, 12480, 13536, 13980, 14664, 14912, 14976, 15040, 15145, 16640, 16776, 16920, 18048, 18174, 18330, 18640, 18720, 19552, 20970, 21902, 21996, 22368, 22560, 24232, 24440, 24960, 27072, 27261, 27495, 27960, 29328, 29824, 29952, 30080, 30290, 32853, 33552, 33840, 36096, 36348, 36660, 37280, 37440, 39104, 41940, 43804, 43992, 44736, 45120, 45435, 48464, 48880, 49920, 54144, 54522, 54755, 54990, 55920, 58656, 59648, 60160, 60580, 65706, 67104, 67680, 72696, 73320, 74560, 74880, 78208, 83880, 87608, 87984, 89472, 90240, 90870, 96928, 97760, 98559, 108288, 109044, 109510, 109980, 111840, 117312, 121160, 131412, 134208, 135360, 136305, 142363, 145392, 146640, 149120, 149760, 156416, 164265, 167760, 175216, 175968, 178944, 180480, 181740, 193856, 195520, 197118, 218088, 219020, 219960, 223680, 234624, 242320, 262824, 268416, 270720, 272610, 284726, 290784, 293280, 298240, 328530, 335520, 350432, 351936, 363480, 387712, 391040, 394236, 427089, 436176, 438040, 439920, 447360, 469248, 484640, 492795, 525648, 536832, 541440, 545220, 569452, 581568, 586560, 657060, 671040, 700864, 703872, 711815, 726960, 775424, 782080, 788472, 854178, 872352, 876080, 879840, 894720, 969280, 985590, 1051296, 1090440, 1138904, 1163136, 1173120, 1281267, 1314120, 1342080, 1401728, 1407744, 1423630, 1453920, 1576944, 1708356, 1744704, 1752160, 1759680, 1938560, 1971180, 2102592, 2135445, 2180880, 2277808, 2326272, 2346240, 2562534, 2628240, 2684160, 2803456, 2847260, 2907840, 3153888, 3416712, 3489408, 3504320, 3519360, 3877120, 3942360, 4205184, 4270890, 4361760, 4555616, 5125068, 5256480, 5694520, 5815680, 6307776, 6406335, 6833424, 6978816, 7008640, 7038720, 7884720, 8410368, 8541780, 8723520, 9111232, 10250136, 10512960, 11389040, 11631360, 12615552, 12812670, 13666848, 14017280, 15769440, 17083560, 17447040, 18222464, 20500272, 21025920, 22778080, 25231104, 25625340, 27333696, 31538880, 34167120, 34894080, 36444928, 41000544, 42051840, 45556160, 51250680, 54667392, 63077760, 68334240, 82001088, 91112320, 102501360, 109334784, 126155520, 136668480, 164002176, 182224640, 205002720, 273336960, 328004352, 410005440, 546673920, 820010880, 1640021760]

約数ペア:

[(1, 1640021760), (2, 820010880), (3, 546673920), (4, 410005440), (5, 328004352), (6, 273336960), (8, 205002720), (9, 182224640), (10, 164002176), (12, 136668480), (13, 126155520), (15, 109334784), (16, 102501360), (18, 91112320), (20, 82001088), (24, 68334240), (26, 63077760), (30, 54667392), (32, 51250680), (36, 45556160), (39, 42051840), (40, 41000544), (45, 36444928), (47, 34894080), (48, 34167120), (52, 31538880), (60, 27333696), (64, 25625340), (65, 25231104), (72, 22778080), (78, 21025920), (80, 20500272), (90, 18222464), (94, 17447040), (96, 17083560), (104, 15769440), (117, 14017280), (120, 13666848), (128, 12812670), (130, 12615552), (141, 11631360), (144, 11389040), (156, 10512960), (160, 10250136), (180, 9111232), (188, 8723520), (192, 8541780), (195, 8410368), (208, 7884720), (233, 7038720), (234, 7008640), (235, 6978816), (240, 6833424), (256, 6406335), (260, 6307776), (282, 5815680), (288, 5694520), (312, 5256480), (320, 5125068), (360, 4555616), (376, 4361760), (384, 4270890), (390, 4205184), (416, 3942360), (423, 3877120), (466, 3519360), (468, 3504320), (470, 3489408), (480, 3416712), (520, 3153888), (564, 2907840), (576, 2847260), (585, 2803456), (611, 2684160), (624, 2628240), (640, 2562534), (699, 2346240), (705, 2326272), (720, 2277808), (752, 2180880), (768, 2135445), (780, 2102592), (832, 1971180), (846, 1938560), (932, 1759680), (936, 1752160), (940, 1744704), (960, 1708356), (1040, 1576944), (1128, 1453920), (1152, 1423630), (1165, 1407744), (1170, 1401728), (1222, 1342080), (1248, 1314120), (1280, 1281267), (1398, 1173120), (1410, 1163136), (1440, 1138904), (1504, 1090440), (1560, 1051296), (1664, 985590), (1692, 969280), (1833, 894720), (1864, 879840), (1872, 876080), (1880, 872352), (1920, 854178), (2080, 788472), (2097, 782080), (2115, 775424), (2256, 726960), (2304, 711815), (2330, 703872), (2340, 700864), (2444, 671040), (2496, 657060), (2796, 586560), (2820, 581568), (2880, 569452), (3008, 545220), (3029, 541440), (3055, 536832), (3120, 525648), (3328, 492795), (3384, 484640), (3495, 469248), (3666, 447360), (3728, 439920), (3744, 438040), (3760, 436176), (3840, 427089), (4160, 394236), (4194, 391040), (4230, 387712), (4512, 363480), (4660, 351936), (4680, 350432), (4888, 335520), (4992, 328530), (5499, 298240), (5592, 293280), (5640, 290784), (5760, 284726), (6016, 272610), (6058, 270720), (6110, 268416), (6240, 262824), (6768, 242320), (6990, 234624), (7332, 223680), (7456, 219960), (7488, 219020), (7520, 218088), (8320, 197118), (8388, 195520), (8460, 193856), (9024, 181740), (9087, 180480), (9165, 178944), (9320, 175968), (9360, 175216), (9776, 167760), (9984, 164265), (10485, 156416), (10951, 149760), (10998, 149120), (11184, 146640), (11280, 145392), (11520, 142363), (12032, 136305), (12116, 135360), (12220, 134208), (12480, 131412), (13536, 121160), (13980, 117312), (14664, 111840), (14912, 109980), (14976, 109510), (15040, 109044), (15145, 108288), (16640, 98559), (16776, 97760), (16920, 96928), (18048, 90870), (18174, 90240), (18330, 89472), (18640, 87984), (18720, 87608), (19552, 83880), (20970, 78208), (21902, 74880), (21996, 74560), (22368, 73320), (22560, 72696), (24232, 67680), (24440, 67104), (24960, 65706), (27072, 60580), (27261, 60160), (27495, 59648), (27960, 58656), (29328, 55920), (29824, 54990), (29952, 54755), (30080, 54522), (30290, 54144), (32853, 49920), (33552, 48880), (33840, 48464), (36096, 45435), (36348, 45120), (36660, 44736), (37280, 43992), (37440, 43804), (39104, 41940)]