90615170

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 179159040

約数和(自身を除く): 88543870

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 71, 115, 142, 155, 179, 230, 310, 355, 358, 710, 713, 895, 1426, 1633, 1790, 2201, 3266, 3565, 4117, 4402, 5549, 7130, 8165, 8234, 11005, 11098, 12709, 16330, 20585, 22010, 25418, 27745, 41170, 50623, 55490, 63545, 101246, 127090, 127627, 253115, 255254, 292307, 393979, 506230, 584614, 638135, 787958, 1276270, 1461535, 1969895, 2923070, 3939790, 9061517, 18123034, 45307585, 90615170]

約数ペア:

[(1, 90615170), (2, 45307585), (5, 18123034), (10, 9061517), (23, 3939790), (31, 2923070), (46, 1969895), (62, 1461535), (71, 1276270), (115, 787958), (142, 638135), (155, 584614), (179, 506230), (230, 393979), (310, 292307), (355, 255254), (358, 253115), (710, 127627), (713, 127090), (895, 101246), (1426, 63545), (1633, 55490), (1790, 50623), (2201, 41170), (3266, 27745), (3565, 25418), (4117, 22010), (4402, 20585), (5549, 16330), (7130, 12709), (8165, 11098), (8234, 11005)]