121587320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 280368000

約数和(自身を除く): 158780680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 109, 158, 218, 316, 353, 395, 436, 545, 632, 706, 790, 872, 1090, 1412, 1580, 1765, 2180, 2824, 3160, 3530, 4360, 7060, 8611, 14120, 17222, 27887, 34444, 38477, 43055, 55774, 68888, 76954, 86110, 111548, 139435, 153908, 172220, 192385, 223096, 278870, 307816, 344440, 384770, 557740, 769540, 1115480, 1539080, 3039683, 6079366, 12158732, 15198415, 24317464, 30396830, 60793660, 121587320]

約数ペア:

[(1, 121587320), (2, 60793660), (4, 30396830), (5, 24317464), (8, 15198415), (10, 12158732), (20, 6079366), (40, 3039683), (79, 1539080), (109, 1115480), (158, 769540), (218, 557740), (316, 384770), (353, 344440), (395, 307816), (436, 278870), (545, 223096), (632, 192385), (706, 172220), (790, 153908), (872, 139435), (1090, 111548), (1412, 86110), (1580, 76954), (1765, 68888), (2180, 55774), (2824, 43055), (3160, 38477), (3530, 34444), (4360, 27887), (7060, 17222), (8611, 14120)]