220431645

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:784

約数の個数: 96

約数和(自身を含む): 466214400

約数和(自身を除く): 245782755

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 49, 63, 105, 135, 141, 147, 189, 235, 245, 315, 329, 423, 441, 705, 709, 735, 945, 987, 1269, 1323, 1645, 2115, 2127, 2205, 2303, 2961, 3545, 4935, 4963, 6345, 6381, 6615, 6909, 8883, 10635, 11515, 14805, 14889, 19143, 20727, 24815, 31905, 33323, 34545, 34741, 44415, 44667, 62181, 74445, 95715, 99969, 103635, 104223, 134001, 166615, 173705, 223335, 233261, 299907, 310905, 312669, 499845, 521115, 670005, 699783, 899721, 938007, 1166305, 1499535, 1563345, 1632827, 2099349, 3498915, 4498605, 4690035, 4898481, 6298047, 8164135, 10496745, 14695443, 24492405, 31490235, 44086329, 73477215, 220431645]

約数ペア:

[(1, 220431645), (3, 73477215), (5, 44086329), (7, 31490235), (9, 24492405), (15, 14695443), (21, 10496745), (27, 8164135), (35, 6298047), (45, 4898481), (47, 4690035), (49, 4498605), (63, 3498915), (105, 2099349), (135, 1632827), (141, 1563345), (147, 1499535), (189, 1166305), (235, 938007), (245, 899721), (315, 699783), (329, 670005), (423, 521115), (441, 499845), (705, 312669), (709, 310905), (735, 299907), (945, 233261), (987, 223335), (1269, 173705), (1323, 166615), (1645, 134001), (2115, 104223), (2127, 103635), (2205, 99969), (2303, 95715), (2961, 74445), (3545, 62181), (4935, 44667), (4963, 44415), (6345, 34741), (6381, 34545), (6615, 33323), (6909, 31905), (8883, 24815), (10635, 20727), (11515, 19143), (14805, 14889)]