123195780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1787}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 374879232

約数和(自身を除く): 251683452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 766, 1149, 1532, 1787, 1915, 2298, 3447, 3574, 3830, 4596, 5361, 5745, 6894, 7148, 7660, 8935, 10722, 11490, 13788, 16083, 17235, 17870, 21444, 22980, 26805, 32166, 34470, 35740, 53610, 64332, 68940, 80415, 107220, 160830, 321660, 684421, 1368842, 2053263, 2737684, 3422105, 4106526, 6159789, 6844210, 8213052, 10266315, 12319578, 13688420, 20532630, 24639156, 30798945, 41065260, 61597890, 123195780]

約数ペア:

[(1, 123195780), (2, 61597890), (3, 41065260), (4, 30798945), (5, 24639156), (6, 20532630), (9, 13688420), (10, 12319578), (12, 10266315), (15, 8213052), (18, 6844210), (20, 6159789), (30, 4106526), (36, 3422105), (45, 2737684), (60, 2053263), (90, 1368842), (180, 684421), (383, 321660), (766, 160830), (1149, 107220), (1532, 80415), (1787, 68940), (1915, 64332), (2298, 53610), (3447, 35740), (3574, 34470), (3830, 32166), (4596, 26805), (5361, 22980), (5745, 21444), (6894, 17870), (7148, 17235), (7660, 16083), (8935, 13788), (10722, 11490)]