657550920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13597}}^1$

素因数の和:13655

約数の個数: 128

約数和(自身を含む): 2193085440

約数和(自身を除く): 1535534520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 13597, 16120, 24180, 27194, 40791, 48360, 54388, 67985, 81582, 108776, 135970, 163164, 176761, 203955, 271940, 326328, 353522, 407910, 421507, 530283, 543880, 707044, 815820, 843014, 883805, 1060566, 1264521, 1414088, 1631640, 1686028, 1767610, 2107535, 2121132, 2529042, 2651415, 3372056, 3535220, 4215070, 4242264, 5058084, 5302830, 5479591, 6322605, 7070440, 8430140, 10116168, 10605660, 10959182, 12645210, 16438773, 16860280, 21211320, 21918364, 25290420, 27397955, 32877546, 43836728, 50580840, 54795910, 65755092, 82193865, 109591820, 131510184, 164387730, 219183640, 328775460, 657550920]

約数ペア:

[(1, 657550920), (2, 328775460), (3, 219183640), (4, 164387730), (5, 131510184), (6, 109591820), (8, 82193865), (10, 65755092), (12, 54795910), (13, 50580840), (15, 43836728), (20, 32877546), (24, 27397955), (26, 25290420), (30, 21918364), (31, 21211320), (39, 16860280), (40, 16438773), (52, 12645210), (60, 10959182), (62, 10605660), (65, 10116168), (78, 8430140), (93, 7070440), (104, 6322605), (120, 5479591), (124, 5302830), (130, 5058084), (155, 4242264), (156, 4215070), (186, 3535220), (195, 3372056), (248, 2651415), (260, 2529042), (310, 2121132), (312, 2107535), (372, 1767610), (390, 1686028), (403, 1631640), (465, 1414088), (520, 1264521), (620, 1060566), (744, 883805), (780, 843014), (806, 815820), (930, 707044), (1209, 543880), (1240, 530283), (1560, 421507), (1612, 407910), (1860, 353522), (2015, 326328), (2418, 271940), (3224, 203955), (3720, 176761), (4030, 163164), (4836, 135970), (6045, 108776), (8060, 81582), (9672, 67985), (12090, 54388), (13597, 48360), (16120, 40791), (24180, 27194)]