64311680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 128

約数和(自身を含む): 170527680

約数和(自身を除く): 106216000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 160, 170, 184, 230, 257, 272, 320, 340, 368, 391, 460, 514, 544, 640, 680, 736, 782, 920, 1028, 1088, 1285, 1360, 1472, 1564, 1840, 1955, 2056, 2176, 2570, 2720, 2944, 3128, 3680, 3910, 4112, 4369, 5140, 5440, 5911, 6256, 7360, 7820, 8224, 8738, 10280, 10880, 11822, 12512, 14720, 15640, 16448, 17476, 20560, 21845, 23644, 25024, 29555, 31280, 32896, 34952, 41120, 43690, 47288, 50048, 59110, 62560, 69904, 82240, 87380, 94576, 100487, 118220, 125120, 139808, 164480, 174760, 189152, 200974, 236440, 250240, 279616, 349520, 378304, 401948, 472880, 502435, 559232, 699040, 756608, 803896, 945760, 1004870, 1398080, 1607792, 1891520, 2009740, 2796160, 3215584, 3783040, 4019480, 6431168, 8038960, 12862336, 16077920, 32155840, 64311680]

約数ペア:

[(1, 64311680), (2, 32155840), (4, 16077920), (5, 12862336), (8, 8038960), (10, 6431168), (16, 4019480), (17, 3783040), (20, 3215584), (23, 2796160), (32, 2009740), (34, 1891520), (40, 1607792), (46, 1398080), (64, 1004870), (68, 945760), (80, 803896), (85, 756608), (92, 699040), (115, 559232), (128, 502435), (136, 472880), (160, 401948), (170, 378304), (184, 349520), (230, 279616), (257, 250240), (272, 236440), (320, 200974), (340, 189152), (368, 174760), (391, 164480), (460, 139808), (514, 125120), (544, 118220), (640, 100487), (680, 94576), (736, 87380), (782, 82240), (920, 69904), (1028, 62560), (1088, 59110), (1285, 50048), (1360, 47288), (1472, 43690), (1564, 41120), (1840, 34952), (1955, 32896), (2056, 31280), (2176, 29555), (2570, 25024), (2720, 23644), (2944, 21845), (3128, 20560), (3680, 17476), (3910, 16448), (4112, 15640), (4369, 14720), (5140, 12512), (5440, 11822), (5911, 10880), (6256, 10280), (7360, 8738), (7820, 8224)]