80029980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4079}}^1$

素因数の和:4203

約数の個数: 72

約数和(自身を含む): 245044800

約数和(自身を除く): 165014820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4079, 4905, 6540, 8158, 9810, 12237, 16316, 19620, 20395, 24474, 36711, 40790, 48948, 61185, 73422, 81580, 122370, 146844, 183555, 244740, 367110, 444611, 734220, 889222, 1333833, 1778444, 2223055, 2667666, 4001499, 4446110, 5335332, 6669165, 8002998, 8892220, 13338330, 16005996, 20007495, 26676660, 40014990, 80029980]

約数ペア:

[(1, 80029980), (2, 40014990), (3, 26676660), (4, 20007495), (5, 16005996), (6, 13338330), (9, 8892220), (10, 8002998), (12, 6669165), (15, 5335332), (18, 4446110), (20, 4001499), (30, 2667666), (36, 2223055), (45, 1778444), (60, 1333833), (90, 889222), (109, 734220), (180, 444611), (218, 367110), (327, 244740), (436, 183555), (545, 146844), (654, 122370), (981, 81580), (1090, 73422), (1308, 61185), (1635, 48948), (1962, 40790), (2180, 36711), (3270, 24474), (3924, 20395), (4079, 19620), (4905, 16316), (6540, 12237), (8158, 9810)]