128623360

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 341724096

約数和(自身を除く): 213100736

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, 256, 257, 272, 320, 340, 368, 391, 460, 514, 544, 640, 680, 736, 782, 920, 1028, 1088, 1280, 1285, 1360, 1472, 1564, 1840, 1955, 2056, 2176, 2570, 2720, 2944, 3128, 3680, 3910, 4112, 4352, 4369, 5140, 5440, 5888, 5911, 6256, 7360, 7820, 8224, 8738, 10280, 10880, 11822, 12512, 14720, 15640, 16448, 17476, 20560, 21760, 21845, 23644, 25024, 29440, 29555, 31280, 32896, 34952, 41120, 43690, 47288, 50048, 59110, 62560, 65792, 69904, 82240, 87380, 94576, 100096, 100487, 118220, 125120, 139808, 164480, 174760, 189152, 200974, 236440, 250240, 279616, 328960, 349520, 378304, 401948, 472880, 500480, 502435, 559232, 699040, 756608, 803896, 945760, 1004870, 1118464, 1398080, 1513216, 1607792, 1891520, 2009740, 2796160, 3215584, 3783040, 4019480, 5592320, 6431168, 7566080, 8038960, 12862336, 16077920, 25724672, 32155840, 64311680, 128623360]

約数ペア:

[(1, 128623360), (2, 64311680), (4, 32155840), (5, 25724672), (8, 16077920), (10, 12862336), (16, 8038960), (17, 7566080), (20, 6431168), (23, 5592320), (32, 4019480), (34, 3783040), (40, 3215584), (46, 2796160), (64, 2009740), (68, 1891520), (80, 1607792), (85, 1513216), (92, 1398080), (115, 1118464), (128, 1004870), (136, 945760), (160, 803896), (170, 756608), (184, 699040), (230, 559232), (256, 502435), (257, 500480), (272, 472880), (320, 401948), (340, 378304), (368, 349520), (391, 328960), (460, 279616), (514, 250240), (544, 236440), (640, 200974), (680, 189152), (736, 174760), (782, 164480), (920, 139808), (1028, 125120), (1088, 118220), (1280, 100487), (1285, 100096), (1360, 94576), (1472, 87380), (1564, 82240), (1840, 69904), (1955, 65792), (2056, 62560), (2176, 59110), (2570, 50048), (2720, 47288), (2944, 43690), (3128, 41120), (3680, 34952), (3910, 32896), (4112, 31280), (4352, 29555), (4369, 29440), (5140, 25024), (5440, 23644), (5888, 21845), (5911, 21760), (6256, 20560), (7360, 17476), (7820, 16448), (8224, 15640), (8738, 14720), (10280, 12512), (10880, 11822)]