317894720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6988

約数の個数: 112

約数和(自身を含む): 889455168

約数和(自身を除く): 571560448

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 704, 715, 832, 880, 1040, 1144, 1430, 1760, 2080, 2288, 2860, 3520, 4160, 4576, 5720, 6947, 9152, 11440, 13894, 22880, 27788, 34735, 45760, 55576, 69470, 76417, 90311, 111152, 138940, 152834, 180622, 222304, 277880, 305668, 361244, 382085, 444608, 451555, 555760, 611336, 722488, 764170, 903110, 993421, 1111520, 1222672, 1444976, 1528340, 1806220, 1986842, 2223040, 2445344, 2889952, 3056680, 3612440, 3973684, 4890688, 4967105, 5779904, 6113360, 7224880, 7947368, 9934210, 12226720, 14449760, 15894736, 19868420, 24453440, 28899520, 31789472, 39736840, 63578944, 79473680, 158947360, 317894720]

約数ペア:

[(1, 317894720), (2, 158947360), (4, 79473680), (5, 63578944), (8, 39736840), (10, 31789472), (11, 28899520), (13, 24453440), (16, 19868420), (20, 15894736), (22, 14449760), (26, 12226720), (32, 9934210), (40, 7947368), (44, 7224880), (52, 6113360), (55, 5779904), (64, 4967105), (65, 4890688), (80, 3973684), (88, 3612440), (104, 3056680), (110, 2889952), (130, 2445344), (143, 2223040), (160, 1986842), (176, 1806220), (208, 1528340), (220, 1444976), (260, 1222672), (286, 1111520), (320, 993421), (352, 903110), (416, 764170), (440, 722488), (520, 611336), (572, 555760), (704, 451555), (715, 444608), (832, 382085), (880, 361244), (1040, 305668), (1144, 277880), (1430, 222304), (1760, 180622), (2080, 152834), (2288, 138940), (2860, 111152), (3520, 90311), (4160, 76417), (4576, 69470), (5720, 55576), (6947, 45760), (9152, 34735), (11440, 27788), (13894, 22880)]