638562840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{18413}}^1$

素因数の和:18461

約数の個数: 96

約数和(自身を含む): 2035115280

約数和(自身を除く): 1396552440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 289, 340, 408, 510, 578, 680, 867, 1020, 1156, 1445, 1734, 2040, 2312, 2890, 3468, 4335, 5780, 6936, 8670, 11560, 17340, 18413, 34680, 36826, 55239, 73652, 92065, 110478, 147304, 184130, 220956, 276195, 313021, 368260, 441912, 552390, 626042, 736520, 939063, 1104780, 1252084, 1565105, 1878126, 2209560, 2504168, 3130210, 3756252, 4695315, 5321357, 6260420, 7512504, 9390630, 10642714, 12520840, 15964071, 18781260, 21285428, 26606785, 31928142, 37562520, 42570856, 53213570, 63856284, 79820355, 106427140, 127712568, 159640710, 212854280, 319281420, 638562840]

約数ペア:

[(1, 638562840), (2, 319281420), (3, 212854280), (4, 159640710), (5, 127712568), (6, 106427140), (8, 79820355), (10, 63856284), (12, 53213570), (15, 42570856), (17, 37562520), (20, 31928142), (24, 26606785), (30, 21285428), (34, 18781260), (40, 15964071), (51, 12520840), (60, 10642714), (68, 9390630), (85, 7512504), (102, 6260420), (120, 5321357), (136, 4695315), (170, 3756252), (204, 3130210), (255, 2504168), (289, 2209560), (340, 1878126), (408, 1565105), (510, 1252084), (578, 1104780), (680, 939063), (867, 736520), (1020, 626042), (1156, 552390), (1445, 441912), (1734, 368260), (2040, 313021), (2312, 276195), (2890, 220956), (3468, 184130), (4335, 147304), (5780, 110478), (6936, 92065), (8670, 73652), (11560, 55239), (17340, 36826), (18413, 34680)]