157020920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6301}}^1$

素因数の和:6408

約数の個数: 64

約数和(自身を含む): 408369600

約数和(自身を除く): 251348680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 6301, 12460, 12602, 24920, 25204, 31505, 44107, 50408, 63010, 88214, 126020, 176428, 220535, 252040, 352856, 441070, 560789, 882140, 1121578, 1764280, 2243156, 2803945, 3925523, 4486312, 5607890, 7851046, 11215780, 15702092, 19627615, 22431560, 31404184, 39255230, 78510460, 157020920]

約数ペア:

[(1, 157020920), (2, 78510460), (4, 39255230), (5, 31404184), (7, 22431560), (8, 19627615), (10, 15702092), (14, 11215780), (20, 7851046), (28, 5607890), (35, 4486312), (40, 3925523), (56, 2803945), (70, 2243156), (89, 1764280), (140, 1121578), (178, 882140), (280, 560789), (356, 441070), (445, 352856), (623, 252040), (712, 220535), (890, 176428), (1246, 126020), (1780, 88214), (2492, 63010), (3115, 50408), (3560, 44107), (4984, 31505), (6230, 25204), (6301, 24920), (12460, 12602)]