815451760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1190

約数の個数: 80

約数和(自身を含む): 1935876096

約数和(自身を除く): 1120424336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 127, 166, 254, 332, 415, 508, 635, 664, 830, 967, 1016, 1270, 1328, 1660, 1934, 2032, 2540, 3320, 3868, 4835, 5080, 6640, 7736, 9670, 10160, 10541, 15472, 19340, 21082, 38680, 42164, 52705, 77360, 80261, 84328, 105410, 122809, 160522, 168656, 210820, 245618, 321044, 401305, 421640, 491236, 614045, 642088, 802610, 843280, 982472, 1228090, 1284176, 1605220, 1964944, 2456180, 3210440, 4912360, 6420880, 9824720, 10193147, 20386294, 40772588, 50965735, 81545176, 101931470, 163090352, 203862940, 407725880, 815451760]

約数ペア:

[(1, 815451760), (2, 407725880), (4, 203862940), (5, 163090352), (8, 101931470), (10, 81545176), (16, 50965735), (20, 40772588), (40, 20386294), (80, 10193147), (83, 9824720), (127, 6420880), (166, 4912360), (254, 3210440), (332, 2456180), (415, 1964944), (508, 1605220), (635, 1284176), (664, 1228090), (830, 982472), (967, 843280), (1016, 802610), (1270, 642088), (1328, 614045), (1660, 491236), (1934, 421640), (2032, 401305), (2540, 321044), (3320, 245618), (3868, 210820), (4835, 168656), (5080, 160522), (6640, 122809), (7736, 105410), (9670, 84328), (10160, 80261), (10541, 77360), (15472, 52705), (19340, 42164), (21082, 38680)]