1660890720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 288

約数和(自身を含む): 5672346624

約数和(自身を除く): 4011455904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 69, 80, 92, 93, 96, 115, 120, 124, 138, 155, 160, 184, 186, 211, 230, 240, 248, 276, 310, 345, 368, 372, 422, 460, 465, 480, 496, 529, 552, 620, 633, 690, 713, 736, 744, 844, 920, 930, 992, 1055, 1058, 1104, 1240, 1266, 1380, 1426, 1488, 1587, 1688, 1840, 1860, 2110, 2116, 2139, 2208, 2480, 2532, 2645, 2760, 2852, 2976, 3165, 3174, 3376, 3565, 3680, 3720, 4220, 4232, 4278, 4853, 4960, 5064, 5290, 5520, 5704, 6330, 6348, 6541, 6752, 7130, 7440, 7935, 8440, 8464, 8556, 9706, 10128, 10580, 10695, 11040, 11408, 12660, 12696, 13082, 14260, 14559, 14880, 15870, 16399, 16880, 16928, 17112, 19412, 19623, 20256, 21160, 21390, 22816, 24265, 25320, 25392, 26164, 28520, 29118, 31740, 32705, 32798, 33760, 34224, 38824, 39246, 42320, 42780, 48530, 49197, 50640, 50784, 52328, 57040, 58236, 63480, 65410, 65596, 68448, 72795, 77648, 78492, 81995, 84640, 85560, 97060, 98115, 98394, 101280, 104656, 111619, 114080, 116472, 126960, 130820, 131192, 145590, 150443, 155296, 156984, 163990, 171120, 194120, 196230, 196788, 209312, 223238, 232944, 245985, 253920, 261640, 262384, 291180, 300886, 313968, 327980, 334857, 342240, 388240, 392460, 393576, 446476, 451329, 465888, 491970, 523280, 524768, 558095, 582360, 601772, 627936, 655960, 669714, 752215, 776480, 784920, 787152, 892952, 902658, 983940, 1046560, 1116190, 1164720, 1203544, 1311920, 1339428, 1504430, 1569840, 1574304, 1674285, 1785904, 1805316, 1967880, 2232380, 2256645, 2329440, 2407088, 2623840, 2678856, 3008860, 3139680, 3348570, 3460189, 3571808, 3610632, 3935760, 4464760, 4513290, 4814176, 5357712, 6017720, 6697140, 6920378, 7221264, 7871520, 8929520, 9026580, 10380567, 10715424, 12035440, 13394280, 13840756, 14442528, 17300945, 17859040, 18053160, 20761134, 24070880, 26788560, 27681512, 34601890, 36106320, 41522268, 51902835, 53577120, 55363024, 69203780, 72212640, 83044536, 103805670, 110726048, 138407560, 166089072, 207611340, 276815120, 332178144, 415222680, 553630240, 830445360, 1660890720]

約数ペア:

[(1, 1660890720), (2, 830445360), (3, 553630240), (4, 415222680), (5, 332178144), (6, 276815120), (8, 207611340), (10, 166089072), (12, 138407560), (15, 110726048), (16, 103805670), (20, 83044536), (23, 72212640), (24, 69203780), (30, 55363024), (31, 53577120), (32, 51902835), (40, 41522268), (46, 36106320), (48, 34601890), (60, 27681512), (62, 26788560), (69, 24070880), (80, 20761134), (92, 18053160), (93, 17859040), (96, 17300945), (115, 14442528), (120, 13840756), (124, 13394280), (138, 12035440), (155, 10715424), (160, 10380567), (184, 9026580), (186, 8929520), (211, 7871520), (230, 7221264), (240, 6920378), (248, 6697140), (276, 6017720), (310, 5357712), (345, 4814176), (368, 4513290), (372, 4464760), (422, 3935760), (460, 3610632), (465, 3571808), (480, 3460189), (496, 3348570), (529, 3139680), (552, 3008860), (620, 2678856), (633, 2623840), (690, 2407088), (713, 2329440), (736, 2256645), (744, 2232380), (844, 1967880), (920, 1805316), (930, 1785904), (992, 1674285), (1055, 1574304), (1058, 1569840), (1104, 1504430), (1240, 1339428), (1266, 1311920), (1380, 1203544), (1426, 1164720), (1488, 1116190), (1587, 1046560), (1688, 983940), (1840, 902658), (1860, 892952), (2110, 787152), (2116, 784920), (2139, 776480), (2208, 752215), (2480, 669714), (2532, 655960), (2645, 627936), (2760, 601772), (2852, 582360), (2976, 558095), (3165, 524768), (3174, 523280), (3376, 491970), (3565, 465888), (3680, 451329), (3720, 446476), (4220, 393576), (4232, 392460), (4278, 388240), (4853, 342240), (4960, 334857), (5064, 327980), (5290, 313968), (5520, 300886), (5704, 291180), (6330, 262384), (6348, 261640), (6541, 253920), (6752, 245985), (7130, 232944), (7440, 223238), (7935, 209312), (8440, 196788), (8464, 196230), (8556, 194120), (9706, 171120), (10128, 163990), (10580, 156984), (10695, 155296), (11040, 150443), (11408, 145590), (12660, 131192), (12696, 130820), (13082, 126960), (14260, 116472), (14559, 114080), (14880, 111619), (15870, 104656), (16399, 101280), (16880, 98394), (16928, 98115), (17112, 97060), (19412, 85560), (19623, 84640), (20256, 81995), (21160, 78492), (21390, 77648), (22816, 72795), (24265, 68448), (25320, 65596), (25392, 65410), (26164, 63480), (28520, 58236), (29118, 57040), (31740, 52328), (32705, 50784), (32798, 50640), (33760, 49197), (34224, 48530), (38824, 42780), (39246, 42320)]