217254060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28069}}^1$

素因数の和:28127

約数の個数: 72

約数和(自身を含む): 674353680

約数和(自身を除く): 457099620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 28069, 56138, 84207, 112276, 140345, 168414, 252621, 280690, 336828, 421035, 505242, 561380, 842070, 1010484, 1206967, 1263105, 1684140, 2413934, 2526210, 3620901, 4827868, 5052420, 6034835, 7241802, 10862703, 12069670, 14483604, 18104505, 21725406, 24139340, 36209010, 43450812, 54313515, 72418020, 108627030, 217254060]

約数ペア:

[(1, 217254060), (2, 108627030), (3, 72418020), (4, 54313515), (5, 43450812), (6, 36209010), (9, 24139340), (10, 21725406), (12, 18104505), (15, 14483604), (18, 12069670), (20, 10862703), (30, 7241802), (36, 6034835), (43, 5052420), (45, 4827868), (60, 3620901), (86, 2526210), (90, 2413934), (129, 1684140), (172, 1263105), (180, 1206967), (215, 1010484), (258, 842070), (387, 561380), (430, 505242), (516, 421035), (645, 336828), (774, 280690), (860, 252621), (1290, 168414), (1548, 140345), (1935, 112276), (2580, 84207), (3870, 56138), (7740, 28069)]