215538375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 411091200

約数和(自身を除く): 195552825

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 125, 169, 179, 195, 247, 285, 325, 375, 475, 507, 537, 741, 845, 895, 975, 1235, 1425, 1625, 2327, 2375, 2535, 2685, 3211, 3401, 3705, 4225, 4475, 4875, 6175, 6981, 7125, 9633, 10203, 11635, 12675, 13425, 16055, 17005, 18525, 21125, 22375, 30251, 30875, 34905, 44213, 48165, 51015, 58175, 63375, 67125, 80275, 85025, 90753, 92625, 132639, 151255, 174525, 221065, 240825, 255075, 290875, 401375, 425125, 453765, 574769, 663195, 756275, 872625, 1105325, 1204125, 1275375, 1724307, 2268825, 2873845, 3315975, 3781375, 5526625, 8621535, 11344125, 14369225, 16579875, 43107675, 71846125, 215538375]

約数ペア:

[(1, 215538375), (3, 71846125), (5, 43107675), (13, 16579875), (15, 14369225), (19, 11344125), (25, 8621535), (39, 5526625), (57, 3781375), (65, 3315975), (75, 2873845), (95, 2268825), (125, 1724307), (169, 1275375), (179, 1204125), (195, 1105325), (247, 872625), (285, 756275), (325, 663195), (375, 574769), (475, 453765), (507, 425125), (537, 401375), (741, 290875), (845, 255075), (895, 240825), (975, 221065), (1235, 174525), (1425, 151255), (1625, 132639), (2327, 92625), (2375, 90753), (2535, 85025), (2685, 80275), (3211, 67125), (3401, 63375), (3705, 58175), (4225, 51015), (4475, 48165), (4875, 44213), (6175, 34905), (6981, 30875), (7125, 30251), (9633, 22375), (10203, 21125), (11635, 18525), (12675, 17005), (13425, 16055)]