81777840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2683}}^1$

素因数の和:2826

約数の個数: 80

約数和(自身を含む): 255602688

約数和(自身を除く): 173824848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 2683, 3048, 3810, 5080, 5366, 6096, 7620, 8049, 10160, 10732, 13415, 15240, 16098, 21464, 26830, 30480, 32196, 40245, 42928, 53660, 64392, 80490, 107320, 128784, 160980, 214640, 321960, 340741, 643920, 681482, 1022223, 1362964, 1703705, 2044446, 2725928, 3407410, 4088892, 5111115, 5451856, 6814820, 8177784, 10222230, 13629640, 16355568, 20444460, 27259280, 40888920, 81777840]

約数ペア:

[(1, 81777840), (2, 40888920), (3, 27259280), (4, 20444460), (5, 16355568), (6, 13629640), (8, 10222230), (10, 8177784), (12, 6814820), (15, 5451856), (16, 5111115), (20, 4088892), (24, 3407410), (30, 2725928), (40, 2044446), (48, 1703705), (60, 1362964), (80, 1022223), (120, 681482), (127, 643920), (240, 340741), (254, 321960), (381, 214640), (508, 160980), (635, 128784), (762, 107320), (1016, 80490), (1270, 64392), (1524, 53660), (1905, 42928), (2032, 40245), (2540, 32196), (2683, 30480), (3048, 26830), (3810, 21464), (5080, 16098), (5366, 15240), (6096, 13415), (7620, 10732), (8049, 10160)]