489437820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:860

約数の個数: 144

約数和(自身を含む): 1580106528

約数和(自身を除く): 1090668708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 307, 340, 510, 521, 612, 614, 765, 921, 1020, 1042, 1228, 1530, 1535, 1563, 1842, 2084, 2605, 2763, 3060, 3070, 3126, 3684, 4605, 4689, 5210, 5219, 5526, 6140, 6252, 7815, 8857, 9210, 9378, 10420, 10438, 11052, 13815, 15630, 15657, 17714, 18420, 18756, 20876, 23445, 26095, 26571, 27630, 31260, 31314, 35428, 44285, 46890, 46971, 52190, 53142, 55260, 62628, 78285, 79713, 88570, 93780, 93942, 104380, 106284, 132855, 156570, 159426, 159947, 177140, 187884, 234855, 265710, 313140, 318852, 319894, 398565, 469710, 479841, 531420, 639788, 797130, 799735, 939420, 959682, 1439523, 1594260, 1599470, 1919364, 2399205, 2719099, 2879046, 3198940, 4798410, 5438198, 5758092, 7197615, 8157297, 9596820, 10876396, 13595495, 14395230, 16314594, 24471891, 27190990, 28790460, 32629188, 40786485, 48943782, 54381980, 81572970, 97887564, 122359455, 163145940, 244718910, 489437820]

約数ペア:

[(1, 489437820), (2, 244718910), (3, 163145940), (4, 122359455), (5, 97887564), (6, 81572970), (9, 54381980), (10, 48943782), (12, 40786485), (15, 32629188), (17, 28790460), (18, 27190990), (20, 24471891), (30, 16314594), (34, 14395230), (36, 13595495), (45, 10876396), (51, 9596820), (60, 8157297), (68, 7197615), (85, 5758092), (90, 5438198), (102, 4798410), (153, 3198940), (170, 2879046), (180, 2719099), (204, 2399205), (255, 1919364), (306, 1599470), (307, 1594260), (340, 1439523), (510, 959682), (521, 939420), (612, 799735), (614, 797130), (765, 639788), (921, 531420), (1020, 479841), (1042, 469710), (1228, 398565), (1530, 319894), (1535, 318852), (1563, 313140), (1842, 265710), (2084, 234855), (2605, 187884), (2763, 177140), (3060, 159947), (3070, 159426), (3126, 156570), (3684, 132855), (4605, 106284), (4689, 104380), (5210, 93942), (5219, 93780), (5526, 88570), (6140, 79713), (6252, 78285), (7815, 62628), (8857, 55260), (9210, 53142), (9378, 52190), (10420, 46971), (10438, 46890), (11052, 44285), (13815, 35428), (15630, 31314), (15657, 31260), (17714, 27630), (18420, 26571), (18756, 26095), (20876, 23445)]