72991620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31193}}^1$

素因数の和:31221

約数の個数: 72

約数和(自身を含む): 238446936

約数和(自身を除く): 165455316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 31193, 62386, 93579, 124772, 155965, 187158, 280737, 311930, 374316, 405509, 467895, 561474, 623860, 811018, 935790, 1122948, 1216527, 1403685, 1622036, 1871580, 2027545, 2433054, 2807370, 3649581, 4055090, 4866108, 5614740, 6082635, 7299162, 8110180, 12165270, 14598324, 18247905, 24330540, 36495810, 72991620]

約数ペア:

[(1, 72991620), (2, 36495810), (3, 24330540), (4, 18247905), (5, 14598324), (6, 12165270), (9, 8110180), (10, 7299162), (12, 6082635), (13, 5614740), (15, 4866108), (18, 4055090), (20, 3649581), (26, 2807370), (30, 2433054), (36, 2027545), (39, 1871580), (45, 1622036), (52, 1403685), (60, 1216527), (65, 1122948), (78, 935790), (90, 811018), (117, 623860), (130, 561474), (156, 467895), (180, 405509), (195, 374316), (234, 311930), (260, 280737), (390, 187158), (468, 155965), (585, 124772), (780, 93579), (1170, 62386), (2340, 31193)]