720286880

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^2\times {\mathrm{233}}^1$

素因数の和:526

約数の個数: 72

約数和(自身を含む): 1721364372

約数和(自身を除く): 1001077492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 233, 278, 466, 556, 695, 932, 1112, 1165, 1390, 1864, 2224, 2330, 2780, 3728, 4448, 4660, 5560, 7456, 9320, 11120, 18640, 19321, 22240, 32387, 37280, 38642, 64774, 77284, 96605, 129548, 154568, 161935, 193210, 259096, 309136, 323870, 386420, 518192, 618272, 647740, 772840, 1036384, 1295480, 1545680, 2590960, 3091360, 4501793, 5181920, 9003586, 18007172, 22508965, 36014344, 45017930, 72028688, 90035860, 144057376, 180071720, 360143440, 720286880]

約数ペア:

[(1, 720286880), (2, 360143440), (4, 180071720), (5, 144057376), (8, 90035860), (10, 72028688), (16, 45017930), (20, 36014344), (32, 22508965), (40, 18007172), (80, 9003586), (139, 5181920), (160, 4501793), (233, 3091360), (278, 2590960), (466, 1545680), (556, 1295480), (695, 1036384), (932, 772840), (1112, 647740), (1165, 618272), (1390, 518192), (1864, 386420), (2224, 323870), (2330, 309136), (2780, 259096), (3728, 193210), (4448, 161935), (4660, 154568), (5560, 129548), (7456, 96605), (9320, 77284), (11120, 64774), (18640, 38642), (19321, 37280), (22240, 32387)]