42755440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:879

約数の個数: 120

約数和(自身を含む): 124679520

約数和(自身を除く): 81924080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 839, 910, 980, 1040, 1274, 1456, 1678, 1820, 1960, 2548, 3185, 3356, 3640, 3920, 4195, 5096, 5873, 6370, 6712, 7280, 8390, 10192, 10907, 11746, 12740, 13424, 16780, 21814, 23492, 25480, 29365, 33560, 41111, 43628, 46984, 50960, 54535, 58730, 67120, 76349, 82222, 87256, 93968, 109070, 117460, 152698, 164444, 174512, 205555, 218140, 234920, 305396, 328888, 381745, 411110, 436280, 469840, 534443, 610792, 657776, 763490, 822220, 872560, 1068886, 1221584, 1526980, 1644440, 2137772, 2672215, 3053960, 3288880, 4275544, 5344430, 6107920, 8551088, 10688860, 21377720, 42755440]

約数ペア:

[(1, 42755440), (2, 21377720), (4, 10688860), (5, 8551088), (7, 6107920), (8, 5344430), (10, 4275544), (13, 3288880), (14, 3053960), (16, 2672215), (20, 2137772), (26, 1644440), (28, 1526980), (35, 1221584), (40, 1068886), (49, 872560), (52, 822220), (56, 763490), (65, 657776), (70, 610792), (80, 534443), (91, 469840), (98, 436280), (104, 411110), (112, 381745), (130, 328888), (140, 305396), (182, 234920), (196, 218140), (208, 205555), (245, 174512), (260, 164444), (280, 152698), (364, 117460), (392, 109070), (455, 93968), (490, 87256), (520, 82222), (560, 76349), (637, 67120), (728, 58730), (784, 54535), (839, 50960), (910, 46984), (980, 43628), (1040, 41111), (1274, 33560), (1456, 29365), (1678, 25480), (1820, 23492), (1960, 21814), (2548, 16780), (3185, 13424), (3356, 12740), (3640, 11746), (3920, 10907), (4195, 10192), (5096, 8390), (5873, 7280), (6370, 6712)]