78702520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 209563200

約数和(自身を除く): 130860680

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 116, 130, 136, 145, 170, 221, 232, 260, 290, 307, 340, 377, 442, 493, 520, 580, 614, 680, 754, 884, 986, 1105, 1160, 1228, 1508, 1535, 1768, 1885, 1972, 2210, 2456, 2465, 3016, 3070, 3770, 3944, 3991, 4420, 4930, 5219, 6140, 6409, 7540, 7982, 8840, 8903, 9860, 10438, 12280, 12818, 15080, 15964, 17806, 19720, 19955, 20876, 25636, 26095, 31928, 32045, 35612, 39910, 41752, 44515, 51272, 52190, 64090, 67847, 71224, 79820, 89030, 104380, 115739, 128180, 135694, 151351, 159640, 178060, 208760, 231478, 256360, 271388, 302702, 339235, 356120, 462956, 542776, 578695, 605404, 678470, 756755, 925912, 1157390, 1210808, 1356940, 1513510, 1967563, 2314780, 2713880, 3027020, 3935126, 4629560, 6054040, 7870252, 9837815, 15740504, 19675630, 39351260, 78702520]

約数ペア:

[(1, 78702520), (2, 39351260), (4, 19675630), (5, 15740504), (8, 9837815), (10, 7870252), (13, 6054040), (17, 4629560), (20, 3935126), (26, 3027020), (29, 2713880), (34, 2314780), (40, 1967563), (52, 1513510), (58, 1356940), (65, 1210808), (68, 1157390), (85, 925912), (104, 756755), (116, 678470), (130, 605404), (136, 578695), (145, 542776), (170, 462956), (221, 356120), (232, 339235), (260, 302702), (290, 271388), (307, 256360), (340, 231478), (377, 208760), (442, 178060), (493, 159640), (520, 151351), (580, 135694), (614, 128180), (680, 115739), (754, 104380), (884, 89030), (986, 79820), (1105, 71224), (1160, 67847), (1228, 64090), (1508, 52190), (1535, 51272), (1768, 44515), (1885, 41752), (1972, 39910), (2210, 35612), (2456, 32045), (2465, 31928), (3016, 26095), (3070, 25636), (3770, 20876), (3944, 19955), (3991, 19720), (4420, 17806), (4930, 15964), (5219, 15080), (6140, 12818), (6409, 12280), (7540, 10438), (7982, 9860), (8840, 8903)]