30045780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2437

約数の個数: 72

約数和(自身を含む): 92461824

約数和(自身を除く): 62416044

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, 2351, 2556, 3195, 4260, 4702, 6390, 7053, 9404, 11755, 12780, 14106, 21159, 23510, 28212, 35265, 42318, 47020, 70530, 84636, 105795, 141060, 166921, 211590, 333842, 423180, 500763, 667684, 834605, 1001526, 1502289, 1669210, 2003052, 2503815, 3004578, 3338420, 5007630, 6009156, 7511445, 10015260, 15022890, 30045780]

約数ペア:

[(1, 30045780), (2, 15022890), (3, 10015260), (4, 7511445), (5, 6009156), (6, 5007630), (9, 3338420), (10, 3004578), (12, 2503815), (15, 2003052), (18, 1669210), (20, 1502289), (30, 1001526), (36, 834605), (45, 667684), (60, 500763), (71, 423180), (90, 333842), (142, 211590), (180, 166921), (213, 141060), (284, 105795), (355, 84636), (426, 70530), (639, 47020), (710, 42318), (852, 35265), (1065, 28212), (1278, 23510), (1420, 21159), (2130, 14106), (2351, 12780), (2556, 11755), (3195, 9404), (4260, 7053), (4702, 6390)]