42378280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 119750400

約数和(自身を除く): 77372120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 85, 116, 119, 136, 140, 145, 170, 203, 232, 238, 280, 290, 307, 340, 406, 476, 493, 580, 595, 614, 680, 812, 952, 986, 1015, 1160, 1190, 1228, 1535, 1624, 1972, 2030, 2149, 2380, 2456, 2465, 3070, 3451, 3944, 4060, 4298, 4760, 4930, 5219, 6140, 6902, 8120, 8596, 8903, 9860, 10438, 10745, 12280, 13804, 17192, 17255, 17806, 19720, 20876, 21490, 26095, 27608, 34510, 35612, 36533, 41752, 42980, 44515, 52190, 62321, 69020, 71224, 73066, 85960, 89030, 104380, 124642, 138040, 146132, 151351, 178060, 182665, 208760, 249284, 292264, 302702, 311605, 356120, 365330, 498568, 605404, 623210, 730660, 756755, 1059457, 1210808, 1246420, 1461320, 1513510, 2118914, 2492840, 3027020, 4237828, 5297285, 6054040, 8475656, 10594570, 21189140, 42378280]

約数ペア:

[(1, 42378280), (2, 21189140), (4, 10594570), (5, 8475656), (7, 6054040), (8, 5297285), (10, 4237828), (14, 3027020), (17, 2492840), (20, 2118914), (28, 1513510), (29, 1461320), (34, 1246420), (35, 1210808), (40, 1059457), (56, 756755), (58, 730660), (68, 623210), (70, 605404), (85, 498568), (116, 365330), (119, 356120), (136, 311605), (140, 302702), (145, 292264), (170, 249284), (203, 208760), (232, 182665), (238, 178060), (280, 151351), (290, 146132), (307, 138040), (340, 124642), (406, 104380), (476, 89030), (493, 85960), (580, 73066), (595, 71224), (614, 69020), (680, 62321), (812, 52190), (952, 44515), (986, 42980), (1015, 41752), (1160, 36533), (1190, 35612), (1228, 34510), (1535, 27608), (1624, 26095), (1972, 21490), (2030, 20876), (2149, 19720), (2380, 17806), (2456, 17255), (2465, 17192), (3070, 13804), (3451, 12280), (3944, 10745), (4060, 10438), (4298, 9860), (4760, 8903), (4930, 8596), (5219, 8120), (6140, 6902)]