28535519820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{30137}}^1$

素因数の和:30559

約数の個数: 96

約数和(自身を含む): 81983075328

約数和(自身を除く): 53447555508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 367, 430, 516, 645, 734, 860, 1101, 1290, 1468, 1835, 2202, 2580, 3670, 4404, 5505, 7340, 11010, 15781, 22020, 30137, 31562, 47343, 60274, 63124, 78905, 90411, 94686, 120548, 150685, 157810, 180822, 189372, 236715, 301370, 315620, 361644, 452055, 473430, 602740, 904110, 946860, 1295891, 1808220, 2591782, 3887673, 5183564, 6479455, 7775346, 11060279, 12958910, 15550692, 19438365, 22120558, 25917820, 33180837, 38876730, 44241116, 55301395, 66361674, 77753460, 110602790, 132723348, 165904185, 221205580, 331808370, 475591997, 663616740, 951183994, 1426775991, 1902367988, 2377959985, 2853551982, 4755919970, 5707103964, 7133879955, 9511839940, 14267759910, 28535519820]

約数ペア:

[(1, 28535519820), (2, 14267759910), (3, 9511839940), (4, 7133879955), (5, 5707103964), (6, 4755919970), (10, 2853551982), (12, 2377959985), (15, 1902367988), (20, 1426775991), (30, 951183994), (43, 663616740), (60, 475591997), (86, 331808370), (129, 221205580), (172, 165904185), (215, 132723348), (258, 110602790), (367, 77753460), (430, 66361674), (516, 55301395), (645, 44241116), (734, 38876730), (860, 33180837), (1101, 25917820), (1290, 22120558), (1468, 19438365), (1835, 15550692), (2202, 12958910), (2580, 11060279), (3670, 7775346), (4404, 6479455), (5505, 5183564), (7340, 3887673), (11010, 2591782), (15781, 1808220), (22020, 1295891), (30137, 946860), (31562, 904110), (47343, 602740), (60274, 473430), (63124, 452055), (78905, 361644), (90411, 315620), (94686, 301370), (120548, 236715), (150685, 189372), (157810, 180822)]