641147520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1511}}^1$

素因数の和:1563

約数の個数: 256

約数和(自身を含む): 2331866880

約数和(自身を除く): 1690719360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 96, 102, 104, 120, 128, 130, 136, 156, 160, 170, 192, 195, 204, 208, 221, 240, 255, 260, 272, 312, 320, 340, 384, 390, 408, 416, 442, 480, 510, 520, 544, 624, 640, 663, 680, 780, 816, 832, 884, 960, 1020, 1040, 1088, 1105, 1248, 1326, 1360, 1511, 1560, 1632, 1664, 1768, 1920, 2040, 2080, 2176, 2210, 2496, 2652, 2720, 3022, 3120, 3264, 3315, 3536, 4080, 4160, 4420, 4533, 4992, 5304, 5440, 6044, 6240, 6528, 6630, 7072, 7555, 8160, 8320, 8840, 9066, 10608, 10880, 12088, 12480, 13260, 14144, 15110, 16320, 17680, 18132, 19643, 21216, 22665, 24176, 24960, 25687, 26520, 28288, 30220, 32640, 35360, 36264, 39286, 42432, 45330, 48352, 51374, 53040, 58929, 60440, 70720, 72528, 77061, 78572, 84864, 90660, 96704, 98215, 102748, 106080, 117858, 120880, 128435, 141440, 145056, 154122, 157144, 181320, 193408, 196430, 205496, 212160, 235716, 241760, 256870, 290112, 294645, 308244, 314288, 333931, 362640, 385305, 392860, 410992, 424320, 471432, 483520, 513740, 580224, 589290, 616488, 628576, 667862, 725280, 770610, 785720, 821984, 942864, 967040, 1001793, 1027480, 1178580, 1232976, 1257152, 1335724, 1450560, 1541220, 1571440, 1643968, 1669655, 1885728, 2003586, 2054960, 2357160, 2465952, 2514304, 2671448, 2901120, 3082440, 3142880, 3287936, 3339310, 3771456, 4007172, 4109920, 4714320, 4931904, 5008965, 5342896, 6164880, 6285760, 6678620, 7542912, 8014344, 8219840, 9428640, 9863808, 10017930, 10685792, 12329760, 12571520, 13357240, 16028688, 16439680, 18857280, 20035860, 21371584, 24659520, 26714480, 32057376, 37714560, 40071720, 42743168, 49319040, 53428960, 64114752, 80143440, 106857920, 128229504, 160286880, 213715840, 320573760, 641147520]

約数ペア:

[(1, 641147520), (2, 320573760), (3, 213715840), (4, 160286880), (5, 128229504), (6, 106857920), (8, 80143440), (10, 64114752), (12, 53428960), (13, 49319040), (15, 42743168), (16, 40071720), (17, 37714560), (20, 32057376), (24, 26714480), (26, 24659520), (30, 21371584), (32, 20035860), (34, 18857280), (39, 16439680), (40, 16028688), (48, 13357240), (51, 12571520), (52, 12329760), (60, 10685792), (64, 10017930), (65, 9863808), (68, 9428640), (78, 8219840), (80, 8014344), (85, 7542912), (96, 6678620), (102, 6285760), (104, 6164880), (120, 5342896), (128, 5008965), (130, 4931904), (136, 4714320), (156, 4109920), (160, 4007172), (170, 3771456), (192, 3339310), (195, 3287936), (204, 3142880), (208, 3082440), (221, 2901120), (240, 2671448), (255, 2514304), (260, 2465952), (272, 2357160), (312, 2054960), (320, 2003586), (340, 1885728), (384, 1669655), (390, 1643968), (408, 1571440), (416, 1541220), (442, 1450560), (480, 1335724), (510, 1257152), (520, 1232976), (544, 1178580), (624, 1027480), (640, 1001793), (663, 967040), (680, 942864), (780, 821984), (816, 785720), (832, 770610), (884, 725280), (960, 667862), (1020, 628576), (1040, 616488), (1088, 589290), (1105, 580224), (1248, 513740), (1326, 483520), (1360, 471432), (1511, 424320), (1560, 410992), (1632, 392860), (1664, 385305), (1768, 362640), (1920, 333931), (2040, 314288), (2080, 308244), (2176, 294645), (2210, 290112), (2496, 256870), (2652, 241760), (2720, 235716), (3022, 212160), (3120, 205496), (3264, 196430), (3315, 193408), (3536, 181320), (4080, 157144), (4160, 154122), (4420, 145056), (4533, 141440), (4992, 128435), (5304, 120880), (5440, 117858), (6044, 106080), (6240, 102748), (6528, 98215), (6630, 96704), (7072, 90660), (7555, 84864), (8160, 78572), (8320, 77061), (8840, 72528), (9066, 70720), (10608, 60440), (10880, 58929), (12088, 53040), (12480, 51374), (13260, 48352), (14144, 45330), (15110, 42432), (16320, 39286), (17680, 36264), (18132, 35360), (19643, 32640), (21216, 30220), (22665, 28288), (24176, 26520), (24960, 25687)]