79928240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2693}}^1$

素因数の和:2766

約数の個数: 80

約数和(自身を含む): 216468288

約数和(自身を除く): 136540048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2693, 2968, 3710, 4240, 5386, 5936, 7420, 10772, 13465, 14840, 18851, 21544, 26930, 29680, 37702, 43088, 53860, 75404, 94255, 107720, 142729, 150808, 188510, 215440, 285458, 301616, 377020, 570916, 713645, 754040, 999103, 1141832, 1427290, 1508080, 1998206, 2283664, 2854580, 3996412, 4995515, 5709160, 7992824, 9991030, 11418320, 15985648, 19982060, 39964120, 79928240]

約数ペア:

[(1, 79928240), (2, 39964120), (4, 19982060), (5, 15985648), (7, 11418320), (8, 9991030), (10, 7992824), (14, 5709160), (16, 4995515), (20, 3996412), (28, 2854580), (35, 2283664), (40, 1998206), (53, 1508080), (56, 1427290), (70, 1141832), (80, 999103), (106, 754040), (112, 713645), (140, 570916), (212, 377020), (265, 301616), (280, 285458), (371, 215440), (424, 188510), (530, 150808), (560, 142729), (742, 107720), (848, 94255), (1060, 75404), (1484, 53860), (1855, 43088), (2120, 37702), (2693, 29680), (2968, 26930), (3710, 21544), (4240, 18851), (5386, 14840), (5936, 13465), (7420, 10772)]