31504440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:877

約数の個数: 128

約数和(自身を含む): 106790400

約数和(自身を除く): 75285960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 823, 870, 957, 1160, 1276, 1320, 1595, 1646, 1740, 1914, 2469, 2552, 3190, 3292, 3480, 3828, 4115, 4785, 4938, 6380, 6584, 7656, 8230, 9053, 9570, 9876, 12345, 12760, 16460, 18106, 19140, 19752, 23867, 24690, 27159, 32920, 36212, 38280, 45265, 47734, 49380, 54318, 71601, 72424, 90530, 95468, 98760, 108636, 119335, 135795, 143202, 181060, 190936, 217272, 238670, 262537, 271590, 286404, 358005, 362120, 477340, 525074, 543180, 572808, 716010, 787611, 954680, 1050148, 1086360, 1312685, 1432020, 1575222, 2100296, 2625370, 2864040, 3150444, 3938055, 5250740, 6300888, 7876110, 10501480, 15752220, 31504440]

約数ペア:

[(1, 31504440), (2, 15752220), (3, 10501480), (4, 7876110), (5, 6300888), (6, 5250740), (8, 3938055), (10, 3150444), (11, 2864040), (12, 2625370), (15, 2100296), (20, 1575222), (22, 1432020), (24, 1312685), (29, 1086360), (30, 1050148), (33, 954680), (40, 787611), (44, 716010), (55, 572808), (58, 543180), (60, 525074), (66, 477340), (87, 362120), (88, 358005), (110, 286404), (116, 271590), (120, 262537), (132, 238670), (145, 217272), (165, 190936), (174, 181060), (220, 143202), (232, 135795), (264, 119335), (290, 108636), (319, 98760), (330, 95468), (348, 90530), (435, 72424), (440, 71601), (580, 54318), (638, 49380), (660, 47734), (696, 45265), (823, 38280), (870, 36212), (957, 32920), (1160, 27159), (1276, 24690), (1320, 23867), (1595, 19752), (1646, 19140), (1740, 18106), (1914, 16460), (2469, 12760), (2552, 12345), (3190, 9876), (3292, 9570), (3480, 9053), (3828, 8230), (4115, 7656), (4785, 6584), (4938, 6380)]