81651480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{839}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 245548800

約数和(自身を除く): 163897320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 811, 839, 1622, 1678, 2433, 2517, 3244, 3356, 4055, 4195, 4866, 5034, 6488, 6712, 8110, 8390, 9732, 10068, 12165, 12585, 16220, 16780, 19464, 20136, 24330, 25170, 32440, 33560, 48660, 50340, 97320, 100680, 680429, 1360858, 2041287, 2721716, 3402145, 4082574, 5443432, 6804290, 8165148, 10206435, 13608580, 16330296, 20412870, 27217160, 40825740, 81651480]

約数ペア:

[(1, 81651480), (2, 40825740), (3, 27217160), (4, 20412870), (5, 16330296), (6, 13608580), (8, 10206435), (10, 8165148), (12, 6804290), (15, 5443432), (20, 4082574), (24, 3402145), (30, 2721716), (40, 2041287), (60, 1360858), (120, 680429), (811, 100680), (839, 97320), (1622, 50340), (1678, 48660), (2433, 33560), (2517, 32440), (3244, 25170), (3356, 24330), (4055, 20136), (4195, 19464), (4866, 16780), (5034, 16220), (6488, 12585), (6712, 12165), (8110, 10068), (8390, 9732)]