64625080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 170956800

約数和(自身を除く): 106331720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 211, 247, 248, 260, 310, 380, 403, 422, 494, 520, 589, 620, 760, 806, 844, 988, 1055, 1178, 1235, 1240, 1612, 1688, 1976, 2015, 2110, 2356, 2470, 2743, 2945, 3224, 4009, 4030, 4220, 4712, 4940, 5486, 5890, 6541, 7657, 8018, 8060, 8440, 9880, 10972, 11780, 13082, 13715, 15314, 16036, 16120, 20045, 21944, 23560, 26164, 27430, 30628, 32072, 32705, 38285, 40090, 52117, 52328, 54860, 61256, 65410, 76570, 80180, 85033, 104234, 109720, 124279, 130820, 153140, 160360, 170066, 208468, 248558, 260585, 261640, 306280, 340132, 416936, 425165, 497116, 521170, 621395, 680264, 850330, 994232, 1042340, 1242790, 1615627, 1700660, 2084680, 2485580, 3231254, 3401320, 4971160, 6462508, 8078135, 12925016, 16156270, 32312540, 64625080]

約数ペア:

[(1, 64625080), (2, 32312540), (4, 16156270), (5, 12925016), (8, 8078135), (10, 6462508), (13, 4971160), (19, 3401320), (20, 3231254), (26, 2485580), (31, 2084680), (38, 1700660), (40, 1615627), (52, 1242790), (62, 1042340), (65, 994232), (76, 850330), (95, 680264), (104, 621395), (124, 521170), (130, 497116), (152, 425165), (155, 416936), (190, 340132), (211, 306280), (247, 261640), (248, 260585), (260, 248558), (310, 208468), (380, 170066), (403, 160360), (422, 153140), (494, 130820), (520, 124279), (589, 109720), (620, 104234), (760, 85033), (806, 80180), (844, 76570), (988, 65410), (1055, 61256), (1178, 54860), (1235, 52328), (1240, 52117), (1612, 40090), (1688, 38285), (1976, 32705), (2015, 32072), (2110, 30628), (2356, 27430), (2470, 26164), (2743, 23560), (2945, 21944), (3224, 20045), (4009, 16120), (4030, 16036), (4220, 15314), (4712, 13715), (4940, 13082), (5486, 11780), (5890, 10972), (6541, 9880), (7657, 8440), (8018, 8060)]