68297840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3863}}^1$

素因数の和:3906

約数の個数: 80

約数和(自身を含む): 181113408

約数和(自身を除く): 112815568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 3863, 4420, 7726, 8840, 15452, 17680, 19315, 30904, 38630, 50219, 61808, 65671, 77260, 100438, 131342, 154520, 200876, 251095, 262684, 309040, 328355, 401752, 502190, 525368, 656710, 803504, 853723, 1004380, 1050736, 1313420, 1707446, 2008760, 2626840, 3414892, 4017520, 4268615, 5253680, 6829784, 8537230, 13659568, 17074460, 34148920, 68297840]

約数ペア:

[(1, 68297840), (2, 34148920), (4, 17074460), (5, 13659568), (8, 8537230), (10, 6829784), (13, 5253680), (16, 4268615), (17, 4017520), (20, 3414892), (26, 2626840), (34, 2008760), (40, 1707446), (52, 1313420), (65, 1050736), (68, 1004380), (80, 853723), (85, 803504), (104, 656710), (130, 525368), (136, 502190), (170, 401752), (208, 328355), (221, 309040), (260, 262684), (272, 251095), (340, 200876), (442, 154520), (520, 131342), (680, 100438), (884, 77260), (1040, 65671), (1105, 61808), (1360, 50219), (1768, 38630), (2210, 30904), (3536, 19315), (3863, 17680), (4420, 15452), (7726, 8840)]