7081520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 17998848

約数和(自身を除く): 10917328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 127, 136, 164, 170, 205, 254, 272, 328, 340, 410, 508, 635, 656, 680, 697, 820, 1016, 1270, 1360, 1394, 1640, 2032, 2159, 2540, 2788, 3280, 3485, 4318, 5080, 5207, 5576, 6970, 8636, 10160, 10414, 10795, 11152, 13940, 17272, 20828, 21590, 26035, 27880, 34544, 41656, 43180, 52070, 55760, 83312, 86360, 88519, 104140, 172720, 177038, 208280, 354076, 416560, 442595, 708152, 885190, 1416304, 1770380, 3540760, 7081520]

約数ペア:

[(1, 7081520), (2, 3540760), (4, 1770380), (5, 1416304), (8, 885190), (10, 708152), (16, 442595), (17, 416560), (20, 354076), (34, 208280), (40, 177038), (41, 172720), (68, 104140), (80, 88519), (82, 86360), (85, 83312), (127, 55760), (136, 52070), (164, 43180), (170, 41656), (205, 34544), (254, 27880), (272, 26035), (328, 21590), (340, 20828), (410, 17272), (508, 13940), (635, 11152), (656, 10795), (680, 10414), (697, 10160), (820, 8636), (1016, 6970), (1270, 5576), (1360, 5207), (1394, 5080), (1640, 4318), (2032, 3485), (2159, 3280), (2540, 2788)]