72160020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9323}}^1$

素因数の和:9381

約数の個数: 72

約数和(自身を含む): 223999776

約数和(自身を除く): 151839756

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, 9323, 18646, 27969, 37292, 46615, 55938, 83907, 93230, 111876, 139845, 167814, 186460, 279690, 335628, 400889, 419535, 559380, 801778, 839070, 1202667, 1603556, 1678140, 2004445, 2405334, 3608001, 4008890, 4810668, 6013335, 7216002, 8017780, 12026670, 14432004, 18040005, 24053340, 36080010, 72160020]

約数ペア:

[(1, 72160020), (2, 36080010), (3, 24053340), (4, 18040005), (5, 14432004), (6, 12026670), (9, 8017780), (10, 7216002), (12, 6013335), (15, 4810668), (18, 4008890), (20, 3608001), (30, 2405334), (36, 2004445), (43, 1678140), (45, 1603556), (60, 1202667), (86, 839070), (90, 801778), (129, 559380), (172, 419535), (180, 400889), (215, 335628), (258, 279690), (387, 186460), (430, 167814), (516, 139845), (645, 111876), (774, 93230), (860, 83907), (1290, 55938), (1548, 46615), (1935, 37292), (2580, 27969), (3870, 18646), (7740, 9323)]