81172680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12763}}^1$

素因数の和:12830

約数の個数: 64

約数和(自身を含む): 248132160

約数和(自身を除く): 166959480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 12763, 25526, 38289, 51052, 63815, 76578, 102104, 127630, 153156, 191445, 255260, 306312, 382890, 510520, 676439, 765780, 1352878, 1531560, 2029317, 2705756, 3382195, 4058634, 5411512, 6764390, 8117268, 10146585, 13528780, 16234536, 20293170, 27057560, 40586340, 81172680]

約数ペア:

[(1, 81172680), (2, 40586340), (3, 27057560), (4, 20293170), (5, 16234536), (6, 13528780), (8, 10146585), (10, 8117268), (12, 6764390), (15, 5411512), (20, 4058634), (24, 3382195), (30, 2705756), (40, 2029317), (53, 1531560), (60, 1352878), (106, 765780), (120, 676439), (159, 510520), (212, 382890), (265, 306312), (318, 255260), (424, 191445), (530, 153156), (636, 127630), (795, 102104), (1060, 76578), (1272, 63815), (1590, 51052), (2120, 38289), (3180, 25526), (6360, 12763)]