1520342775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2179}}^1$

素因数の和:2645

約数の個数: 72

約数和(自身を含む): 3120574080

約数和(自身を除く): 1600231305

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 443, 525, 1329, 1575, 2179, 2215, 3101, 3987, 6537, 6645, 9303, 10895, 11075, 15253, 15505, 19611, 19935, 27909, 32685, 33225, 45759, 46515, 54475, 76265, 77525, 98055, 99675, 137277, 139545, 163425, 228795, 232575, 381325, 490275, 686385, 697725, 965297, 1143975, 2895891, 3431925, 4826485, 6757079, 8687673, 14479455, 20271237, 24132425, 33785395, 43438365, 60813711, 72397275, 101356185, 168926975, 217191825, 304068555, 506780925, 1520342775]

約数ペア:

[(1, 1520342775), (3, 506780925), (5, 304068555), (7, 217191825), (9, 168926975), (15, 101356185), (21, 72397275), (25, 60813711), (35, 43438365), (45, 33785395), (63, 24132425), (75, 20271237), (105, 14479455), (175, 8687673), (225, 6757079), (315, 4826485), (443, 3431925), (525, 2895891), (1329, 1143975), (1575, 965297), (2179, 697725), (2215, 686385), (3101, 490275), (3987, 381325), (6537, 232575), (6645, 228795), (9303, 163425), (10895, 139545), (11075, 137277), (15253, 99675), (15505, 98055), (19611, 77525), (19935, 76265), (27909, 54475), (32685, 46515), (33225, 45759)]