66830220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19541}}^1$

素因数の和:19575

約数の個数: 72

約数和(自身を含む): 213398640

約数和(自身を除く): 146568420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 19541, 39082, 58623, 78164, 97705, 117246, 175869, 195410, 234492, 293115, 351738, 371279, 390820, 586230, 703476, 742558, 879345, 1113837, 1172460, 1485116, 1758690, 1856395, 2227674, 3341511, 3517380, 3712790, 4455348, 5569185, 6683022, 7425580, 11138370, 13366044, 16707555, 22276740, 33415110, 66830220]

約数ペア:

[(1, 66830220), (2, 33415110), (3, 22276740), (4, 16707555), (5, 13366044), (6, 11138370), (9, 7425580), (10, 6683022), (12, 5569185), (15, 4455348), (18, 3712790), (19, 3517380), (20, 3341511), (30, 2227674), (36, 1856395), (38, 1758690), (45, 1485116), (57, 1172460), (60, 1113837), (76, 879345), (90, 742558), (95, 703476), (114, 586230), (171, 390820), (180, 371279), (190, 351738), (228, 293115), (285, 234492), (342, 195410), (380, 175869), (570, 117246), (684, 97705), (855, 78164), (1140, 58623), (1710, 39082), (3420, 19541)]