78203720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9631}}^1$

素因数の和:9678

約数の個数: 64

約数和(自身を含む): 208051200

約数和(自身を除く): 129847480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 9631, 19262, 38524, 48155, 67417, 77048, 96310, 134834, 192620, 269668, 279299, 337085, 385240, 539336, 558598, 674170, 1117196, 1348340, 1396495, 1955093, 2234392, 2696680, 2792990, 3910186, 5585980, 7820372, 9775465, 11171960, 15640744, 19550930, 39101860, 78203720]

約数ペア:

[(1, 78203720), (2, 39101860), (4, 19550930), (5, 15640744), (7, 11171960), (8, 9775465), (10, 7820372), (14, 5585980), (20, 3910186), (28, 2792990), (29, 2696680), (35, 2234392), (40, 1955093), (56, 1396495), (58, 1348340), (70, 1117196), (116, 674170), (140, 558598), (145, 539336), (203, 385240), (232, 337085), (280, 279299), (290, 269668), (406, 192620), (580, 134834), (812, 96310), (1015, 77048), (1160, 67417), (1624, 48155), (2030, 38524), (4060, 19262), (8120, 9631)]