260663720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5399}}^1$

素因数の和:5498

約数の個数: 64

約数和(自身を含む): 629856000

約数和(自身を除く): 369192280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 2414, 2840, 4828, 5399, 6035, 9656, 10798, 12070, 21596, 24140, 26995, 43192, 48280, 53990, 91783, 107980, 183566, 215960, 367132, 383329, 458915, 734264, 766658, 917830, 1533316, 1835660, 1916645, 3066632, 3671320, 3833290, 6516593, 7666580, 13033186, 15333160, 26066372, 32582965, 52132744, 65165930, 130331860, 260663720]

約数ペア:

[(1, 260663720), (2, 130331860), (4, 65165930), (5, 52132744), (8, 32582965), (10, 26066372), (17, 15333160), (20, 13033186), (34, 7666580), (40, 6516593), (68, 3833290), (71, 3671320), (85, 3066632), (136, 1916645), (142, 1835660), (170, 1533316), (284, 917830), (340, 766658), (355, 734264), (568, 458915), (680, 383329), (710, 367132), (1207, 215960), (1420, 183566), (2414, 107980), (2840, 91783), (4828, 53990), (5399, 48280), (6035, 43192), (9656, 26995), (10798, 24140), (12070, 21596)]