1557844080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499309}}^1$

素因数の和:499338

約数の個数: 80

約数和(自身を含む): 5200812960

約数和(自身を除く): 3642968880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 499309, 998618, 1497927, 1997236, 2496545, 2995854, 3994472, 4993090, 5991708, 6491017, 7489635, 7988944, 9986180, 11983416, 12982034, 14979270, 19473051, 19972360, 23966832, 25964068, 29958540, 32455085, 38946102, 39944720, 51928136, 59917080, 64910170, 77892204, 97365255, 103856272, 119834160, 129820340, 155784408, 194730510, 259640680, 311568816, 389461020, 519281360, 778922040, 1557844080]

約数ペア:

[(1, 1557844080), (2, 778922040), (3, 519281360), (4, 389461020), (5, 311568816), (6, 259640680), (8, 194730510), (10, 155784408), (12, 129820340), (13, 119834160), (15, 103856272), (16, 97365255), (20, 77892204), (24, 64910170), (26, 59917080), (30, 51928136), (39, 39944720), (40, 38946102), (48, 32455085), (52, 29958540), (60, 25964068), (65, 23966832), (78, 19972360), (80, 19473051), (104, 14979270), (120, 12982034), (130, 11983416), (156, 9986180), (195, 7988944), (208, 7489635), (240, 6491017), (260, 5991708), (312, 4993090), (390, 3994472), (520, 2995854), (624, 2496545), (780, 1997236), (1040, 1497927), (1560, 998618), (3120, 499309)]