91492020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7159}}^1$

素因数の和:7245

約数の個数: 72

約数和(自身を含む): 281473920

約数和(自身を除く): 189981900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 7159, 12780, 14318, 21477, 28636, 35795, 42954, 64431, 71590, 85908, 107385, 128862, 143180, 214770, 257724, 322155, 429540, 508289, 644310, 1016578, 1288620, 1524867, 2033156, 2541445, 3049734, 4574601, 5082890, 6099468, 7624335, 9149202, 10165780, 15248670, 18298404, 22873005, 30497340, 45746010, 91492020]

約数ペア:

[(1, 91492020), (2, 45746010), (3, 30497340), (4, 22873005), (5, 18298404), (6, 15248670), (9, 10165780), (10, 9149202), (12, 7624335), (15, 6099468), (18, 5082890), (20, 4574601), (30, 3049734), (36, 2541445), (45, 2033156), (60, 1524867), (71, 1288620), (90, 1016578), (142, 644310), (180, 508289), (213, 429540), (284, 322155), (355, 257724), (426, 214770), (639, 143180), (710, 128862), (852, 107385), (1065, 85908), (1278, 71590), (1420, 64431), (2130, 42954), (2556, 35795), (3195, 28636), (4260, 21477), (6390, 14318), (7159, 12780)]