220156575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 394974720

約数和(自身を除く): 174818145

約数列:

[1, 3, 5, 15, 23, 25, 31, 69, 75, 93, 115, 155, 179, 345, 465, 529, 537, 575, 713, 775, 895, 1587, 1725, 2139, 2325, 2645, 2685, 3565, 4117, 4475, 5549, 7935, 10695, 12351, 13225, 13425, 16399, 16647, 17825, 20585, 27745, 39675, 49197, 53475, 61755, 81995, 83235, 94691, 102925, 127627, 138725, 245985, 284073, 308775, 382881, 409975, 416175, 473455, 638135, 1229925, 1420365, 1914405, 2367275, 2935421, 3190675, 7101825, 8806263, 9572025, 14677105, 44031315, 73385525, 220156575]

約数ペア:

[(1, 220156575), (3, 73385525), (5, 44031315), (15, 14677105), (23, 9572025), (25, 8806263), (31, 7101825), (69, 3190675), (75, 2935421), (93, 2367275), (115, 1914405), (155, 1420365), (179, 1229925), (345, 638135), (465, 473455), (529, 416175), (537, 409975), (575, 382881), (713, 308775), (775, 284073), (895, 245985), (1587, 138725), (1725, 127627), (2139, 102925), (2325, 94691), (2645, 83235), (2685, 81995), (3565, 61755), (4117, 53475), (4475, 49197), (5549, 39675), (7935, 27745), (10695, 20585), (12351, 17825), (13225, 16647), (13425, 16399)]