1655230640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1279}}^1\times {\mathrm{2311}}^1$

素因数の和:3610

約数の個数: 80

約数和(自身を含む): 4403527680

約数和(自身を除く): 2748297040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1279, 2311, 2558, 4622, 5116, 6395, 8953, 9244, 10232, 11555, 12790, 16177, 17906, 18488, 20464, 23110, 25580, 32354, 35812, 36976, 44765, 46220, 51160, 64708, 71624, 80885, 89530, 92440, 102320, 129416, 143248, 161770, 179060, 184880, 258832, 323540, 358120, 647080, 716240, 1294160, 2955769, 5911538, 11823076, 14778845, 20690383, 23646152, 29557690, 41380766, 47292304, 59115380, 82761532, 103451915, 118230760, 165523064, 206903830, 236461520, 331046128, 413807660, 827615320, 1655230640]

約数ペア:

[(1, 1655230640), (2, 827615320), (4, 413807660), (5, 331046128), (7, 236461520), (8, 206903830), (10, 165523064), (14, 118230760), (16, 103451915), (20, 82761532), (28, 59115380), (35, 47292304), (40, 41380766), (56, 29557690), (70, 23646152), (80, 20690383), (112, 14778845), (140, 11823076), (280, 5911538), (560, 2955769), (1279, 1294160), (2311, 716240), (2558, 647080), (4622, 358120), (5116, 323540), (6395, 258832), (8953, 184880), (9244, 179060), (10232, 161770), (11555, 143248), (12790, 129416), (16177, 102320), (17906, 92440), (18488, 89530), (20464, 80885), (23110, 71624), (25580, 64708), (32354, 51160), (35812, 46220), (36976, 44765)]