61921480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2290

約数の個数: 64

約数和(自身を含む): 151184880

約数和(自身を除く): 89263400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2221, 2788, 3485, 4442, 5576, 6970, 8884, 11105, 13940, 17768, 22210, 27880, 37757, 44420, 75514, 88840, 91061, 151028, 182122, 188785, 302056, 364244, 377570, 455305, 728488, 755140, 910610, 1510280, 1548037, 1821220, 3096074, 3642440, 6192148, 7740185, 12384296, 15480370, 30960740, 61921480]

約数ペア:

[(1, 61921480), (2, 30960740), (4, 15480370), (5, 12384296), (8, 7740185), (10, 6192148), (17, 3642440), (20, 3096074), (34, 1821220), (40, 1548037), (41, 1510280), (68, 910610), (82, 755140), (85, 728488), (136, 455305), (164, 377570), (170, 364244), (205, 302056), (328, 188785), (340, 182122), (410, 151028), (680, 91061), (697, 88840), (820, 75514), (1394, 44420), (1640, 37757), (2221, 27880), (2788, 22210), (3485, 17768), (4442, 13940), (5576, 11105), (6970, 8884)]