642752760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13291}}^1$

素因数の和:13349

約数の個数: 128

約数和(自身を含む): 2143733760

約数和(自身を除く): 1500981000

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, 13291, 16120, 24180, 26582, 39873, 48360, 53164, 66455, 79746, 106328, 132910, 159492, 172783, 199365, 265820, 318984, 345566, 398730, 412021, 518349, 531640, 691132, 797460, 824042, 863915, 1036698, 1236063, 1382264, 1594920, 1648084, 1727830, 2060105, 2073396, 2472126, 2591745, 3296168, 3455660, 4120210, 4146792, 4944252, 5183490, 5356273, 6180315, 6911320, 8240420, 9888504, 10366980, 10712546, 12360630, 16068819, 16480840, 20733960, 21425092, 24721260, 26781365, 32137638, 42850184, 49442520, 53562730, 64275276, 80344095, 107125460, 128550552, 160688190, 214250920, 321376380, 642752760]

約数ペア:

[(1, 642752760), (2, 321376380), (3, 214250920), (4, 160688190), (5, 128550552), (6, 107125460), (8, 80344095), (10, 64275276), (12, 53562730), (13, 49442520), (15, 42850184), (20, 32137638), (24, 26781365), (26, 24721260), (30, 21425092), (31, 20733960), (39, 16480840), (40, 16068819), (52, 12360630), (60, 10712546), (62, 10366980), (65, 9888504), (78, 8240420), (93, 6911320), (104, 6180315), (120, 5356273), (124, 5183490), (130, 4944252), (155, 4146792), (156, 4120210), (186, 3455660), (195, 3296168), (248, 2591745), (260, 2472126), (310, 2073396), (312, 2060105), (372, 1727830), (390, 1648084), (403, 1594920), (465, 1382264), (520, 1236063), (620, 1036698), (744, 863915), (780, 824042), (806, 797460), (930, 691132), (1209, 531640), (1240, 518349), (1560, 412021), (1612, 398730), (1860, 345566), (2015, 318984), (2418, 265820), (3224, 199365), (3720, 172783), (4030, 159492), (4836, 132910), (6045, 106328), (8060, 79746), (9672, 66455), (12090, 53164), (13291, 48360), (16120, 39873), (24180, 26582)]