165853160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5309}}^1$

素因数の和:5402

約数の個数: 64

約数和(自身を含む): 412905600

約数和(自身を除く): 247052440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 5309, 6248, 7810, 10618, 15620, 21236, 26545, 31240, 42472, 53090, 58399, 106180, 116798, 212360, 233596, 291995, 376939, 467192, 583990, 753878, 1167980, 1507756, 1884695, 2335960, 3015512, 3769390, 4146329, 7538780, 8292658, 15077560, 16585316, 20731645, 33170632, 41463290, 82926580, 165853160]

約数ペア:

[(1, 165853160), (2, 82926580), (4, 41463290), (5, 33170632), (8, 20731645), (10, 16585316), (11, 15077560), (20, 8292658), (22, 7538780), (40, 4146329), (44, 3769390), (55, 3015512), (71, 2335960), (88, 1884695), (110, 1507756), (142, 1167980), (220, 753878), (284, 583990), (355, 467192), (440, 376939), (568, 291995), (710, 233596), (781, 212360), (1420, 116798), (1562, 106180), (2840, 58399), (3124, 53090), (3905, 42472), (5309, 31240), (6248, 26545), (7810, 21236), (10618, 15620)]