78837780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{557}}^1$

素因数の和:913

約数の個数: 96

約数和(自身を含む): 253483776

約数和(自身を除く): 174645996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 337, 420, 557, 674, 1011, 1114, 1348, 1671, 1685, 2022, 2228, 2359, 2785, 3342, 3370, 3899, 4044, 4718, 5055, 5570, 6684, 6740, 7077, 7798, 8355, 9436, 10110, 11140, 11697, 11795, 14154, 15596, 16710, 19495, 20220, 23394, 23590, 28308, 33420, 35385, 38990, 46788, 47180, 58485, 70770, 77980, 116970, 141540, 187709, 233940, 375418, 563127, 750836, 938545, 1126254, 1313963, 1877090, 2252508, 2627926, 2815635, 3754180, 3941889, 5255852, 5631270, 6569815, 7883778, 11262540, 13139630, 15767556, 19709445, 26279260, 39418890, 78837780]

約数ペア:

[(1, 78837780), (2, 39418890), (3, 26279260), (4, 19709445), (5, 15767556), (6, 13139630), (7, 11262540), (10, 7883778), (12, 6569815), (14, 5631270), (15, 5255852), (20, 3941889), (21, 3754180), (28, 2815635), (30, 2627926), (35, 2252508), (42, 1877090), (60, 1313963), (70, 1126254), (84, 938545), (105, 750836), (140, 563127), (210, 375418), (337, 233940), (420, 187709), (557, 141540), (674, 116970), (1011, 77980), (1114, 70770), (1348, 58485), (1671, 47180), (1685, 46788), (2022, 38990), (2228, 35385), (2359, 33420), (2785, 28308), (3342, 23590), (3370, 23394), (3899, 20220), (4044, 19495), (4718, 16710), (5055, 15596), (5570, 14154), (6684, 11795), (6740, 11697), (7077, 11140), (7798, 10110), (8355, 9436)]