81111160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1033}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 198031680

約数和(自身を除く): 116920520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 260, 302, 520, 604, 755, 1033, 1208, 1510, 1963, 2066, 3020, 3926, 4132, 5165, 6040, 7852, 8264, 9815, 10330, 13429, 15704, 19630, 20660, 26858, 39260, 41320, 53716, 67145, 78520, 107432, 134290, 155983, 268580, 311966, 537160, 623932, 779915, 1247864, 1559830, 2027779, 3119660, 4055558, 6239320, 8111116, 10138895, 16222232, 20277790, 40555580, 81111160]

約数ペア:

[(1, 81111160), (2, 40555580), (4, 20277790), (5, 16222232), (8, 10138895), (10, 8111116), (13, 6239320), (20, 4055558), (26, 3119660), (40, 2027779), (52, 1559830), (65, 1247864), (104, 779915), (130, 623932), (151, 537160), (260, 311966), (302, 268580), (520, 155983), (604, 134290), (755, 107432), (1033, 78520), (1208, 67145), (1510, 53716), (1963, 41320), (2066, 39260), (3020, 26858), (3926, 20660), (4132, 19630), (5165, 15704), (6040, 13429), (7852, 10330), (8264, 9815)]