820527240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{525979}}^1$

素因数の和:526006

約数の個数: 64

約数和(自身を含む): 2650939200

約数和(自身を除く): 1830411960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 525979, 1051958, 1577937, 2103916, 2629895, 3155874, 4207832, 5259790, 6311748, 6837727, 7889685, 10519580, 12623496, 13675454, 15779370, 20513181, 21039160, 27350908, 31558740, 34188635, 41026362, 54701816, 63117480, 68377270, 82052724, 102565905, 136754540, 164105448, 205131810, 273509080, 410263620, 820527240]

約数ペア:

[(1, 820527240), (2, 410263620), (3, 273509080), (4, 205131810), (5, 164105448), (6, 136754540), (8, 102565905), (10, 82052724), (12, 68377270), (13, 63117480), (15, 54701816), (20, 41026362), (24, 34188635), (26, 31558740), (30, 27350908), (39, 21039160), (40, 20513181), (52, 15779370), (60, 13675454), (65, 12623496), (78, 10519580), (104, 7889685), (120, 6837727), (130, 6311748), (156, 5259790), (195, 4207832), (260, 3155874), (312, 2629895), (390, 2103916), (520, 1577937), (780, 1051958), (1560, 525979)]