66620760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12911}}^1$

素因数の和:12968

約数の個数: 64

約数和(自身を含む): 204526080

約数和(自身を除く): 137905320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 12911, 25822, 38733, 51644, 64555, 77466, 103288, 129110, 154932, 193665, 258220, 309864, 387330, 516440, 555173, 774660, 1110346, 1549320, 1665519, 2220692, 2775865, 3331038, 4441384, 5551730, 6662076, 8327595, 11103460, 13324152, 16655190, 22206920, 33310380, 66620760]

約数ペア:

[(1, 66620760), (2, 33310380), (3, 22206920), (4, 16655190), (5, 13324152), (6, 11103460), (8, 8327595), (10, 6662076), (12, 5551730), (15, 4441384), (20, 3331038), (24, 2775865), (30, 2220692), (40, 1665519), (43, 1549320), (60, 1110346), (86, 774660), (120, 555173), (129, 516440), (172, 387330), (215, 309864), (258, 258220), (344, 193665), (430, 154932), (516, 129110), (645, 103288), (860, 77466), (1032, 64555), (1290, 51644), (1720, 38733), (2580, 25822), (5160, 12911)]