1215706040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 3001665600

約数和(自身を除く): 1785959560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 211, 229, 296, 340, 370, 422, 458, 629, 680, 740, 844, 916, 1055, 1145, 1258, 1480, 1688, 1832, 2110, 2290, 2516, 3145, 3587, 3893, 4220, 4580, 5032, 6290, 7174, 7786, 7807, 8440, 8473, 9160, 12580, 14348, 15572, 15614, 16946, 17935, 19465, 25160, 28696, 31144, 31228, 33892, 35870, 38930, 39035, 42365, 48319, 62456, 67784, 71740, 77860, 78070, 84730, 96638, 132719, 143480, 144041, 155720, 156140, 169460, 193276, 241595, 265438, 288082, 312280, 338920, 386552, 483190, 530876, 576164, 663595, 720205, 821423, 966380, 1061752, 1152328, 1327190, 1440410, 1642846, 1787803, 1932760, 2654380, 2880820, 3285692, 3575606, 4107115, 5308760, 5761640, 6571384, 7151212, 8214230, 8939015, 14302424, 16428460, 17878030, 30392651, 32856920, 35756060, 60785302, 71512120, 121570604, 151963255, 243141208, 303926510, 607853020, 1215706040]

約数ペア:

[(1, 1215706040), (2, 607853020), (4, 303926510), (5, 243141208), (8, 151963255), (10, 121570604), (17, 71512120), (20, 60785302), (34, 35756060), (37, 32856920), (40, 30392651), (68, 17878030), (74, 16428460), (85, 14302424), (136, 8939015), (148, 8214230), (170, 7151212), (185, 6571384), (211, 5761640), (229, 5308760), (296, 4107115), (340, 3575606), (370, 3285692), (422, 2880820), (458, 2654380), (629, 1932760), (680, 1787803), (740, 1642846), (844, 1440410), (916, 1327190), (1055, 1152328), (1145, 1061752), (1258, 966380), (1480, 821423), (1688, 720205), (1832, 663595), (2110, 576164), (2290, 530876), (2516, 483190), (3145, 386552), (3587, 338920), (3893, 312280), (4220, 288082), (4580, 265438), (5032, 241595), (6290, 193276), (7174, 169460), (7786, 156140), (7807, 155720), (8440, 144041), (8473, 143480), (9160, 132719), (12580, 96638), (14348, 84730), (15572, 78070), (15614, 77860), (16946, 71740), (17935, 67784), (19465, 62456), (25160, 48319), (28696, 42365), (31144, 39035), (31228, 38930), (33892, 35870)]