68812020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7213}}^1$

素因数の和:7281

約数の個数: 72

約数和(自身を含む): 212697576

約数和(自身を除く): 143885556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 7213, 9540, 14426, 21639, 28852, 36065, 43278, 64917, 72130, 86556, 108195, 129834, 144260, 216390, 259668, 324585, 382289, 432780, 649170, 764578, 1146867, 1298340, 1529156, 1911445, 2293734, 3440601, 3822890, 4587468, 5734335, 6881202, 7645780, 11468670, 13762404, 17203005, 22937340, 34406010, 68812020]

約数ペア:

[(1, 68812020), (2, 34406010), (3, 22937340), (4, 17203005), (5, 13762404), (6, 11468670), (9, 7645780), (10, 6881202), (12, 5734335), (15, 4587468), (18, 3822890), (20, 3440601), (30, 2293734), (36, 1911445), (45, 1529156), (53, 1298340), (60, 1146867), (90, 764578), (106, 649170), (159, 432780), (180, 382289), (212, 324585), (265, 259668), (318, 216390), (477, 144260), (530, 129834), (636, 108195), (795, 86556), (954, 72130), (1060, 64917), (1590, 43278), (1908, 36065), (2385, 28852), (3180, 21639), (4770, 14426), (7213, 9540)]