81068220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5701}}^1$

素因数の和:5795

約数の個数: 72

約数和(自身を含む): 249063360

約数和(自身を除く): 167995140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 5701, 7110, 11402, 14220, 17103, 22804, 28505, 34206, 51309, 57010, 68412, 85515, 102618, 114020, 171030, 205236, 256545, 342060, 450379, 513090, 900758, 1026180, 1351137, 1801516, 2251895, 2702274, 4053411, 4503790, 5404548, 6755685, 8106822, 9007580, 13511370, 16213644, 20267055, 27022740, 40534110, 81068220]

約数ペア:

[(1, 81068220), (2, 40534110), (3, 27022740), (4, 20267055), (5, 16213644), (6, 13511370), (9, 9007580), (10, 8106822), (12, 6755685), (15, 5404548), (18, 4503790), (20, 4053411), (30, 2702274), (36, 2251895), (45, 1801516), (60, 1351137), (79, 1026180), (90, 900758), (158, 513090), (180, 450379), (237, 342060), (316, 256545), (395, 205236), (474, 171030), (711, 114020), (790, 102618), (948, 85515), (1185, 68412), (1422, 57010), (1580, 51309), (2370, 34206), (2844, 28505), (3555, 22804), (4740, 17103), (5701, 14220), (7110, 11402)]