66900045

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 118609920

約数和(自身を除く): 51709875

約数列:

[1, 3, 5, 15, 19, 43, 53, 57, 95, 103, 129, 159, 215, 265, 285, 309, 515, 645, 795, 817, 1007, 1545, 1957, 2279, 2451, 3021, 4085, 4429, 5035, 5459, 5871, 6837, 9785, 11395, 12255, 13287, 15105, 16377, 22145, 27295, 29355, 34185, 43301, 66435, 81885, 84151, 103721, 129903, 216505, 234737, 252453, 311163, 420755, 518605, 649515, 704211, 1173685, 1262265, 1555815, 3521055, 4460003, 13380009, 22300015, 66900045]

約数ペア:

[(1, 66900045), (3, 22300015), (5, 13380009), (15, 4460003), (19, 3521055), (43, 1555815), (53, 1262265), (57, 1173685), (95, 704211), (103, 649515), (129, 518605), (159, 420755), (215, 311163), (265, 252453), (285, 234737), (309, 216505), (515, 129903), (645, 103721), (795, 84151), (817, 81885), (1007, 66435), (1545, 43301), (1957, 34185), (2279, 29355), (2451, 27295), (3021, 22145), (4085, 16377), (4429, 15105), (5035, 13287), (5459, 12255), (5871, 11395), (6837, 9785)]