31998540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1687

約数の個数: 96

約数和(自身を含む): 104638464

約数和(自身を除く): 72639924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1621, 1645, 1974, 2820, 3242, 3290, 3948, 4863, 4935, 6484, 6580, 8105, 9726, 9870, 11347, 16210, 19452, 19740, 22694, 24315, 32420, 34041, 45388, 48630, 56735, 68082, 76187, 97260, 113470, 136164, 152374, 170205, 226940, 228561, 304748, 340410, 380935, 457122, 533309, 680820, 761870, 914244, 1066618, 1142805, 1523740, 1599927, 2133236, 2285610, 2666545, 3199854, 4571220, 5333090, 6399708, 7999635, 10666180, 15999270, 31998540]

約数ペア:

[(1, 31998540), (2, 15999270), (3, 10666180), (4, 7999635), (5, 6399708), (6, 5333090), (7, 4571220), (10, 3199854), (12, 2666545), (14, 2285610), (15, 2133236), (20, 1599927), (21, 1523740), (28, 1142805), (30, 1066618), (35, 914244), (42, 761870), (47, 680820), (60, 533309), (70, 457122), (84, 380935), (94, 340410), (105, 304748), (140, 228561), (141, 226940), (188, 170205), (210, 152374), (235, 136164), (282, 113470), (329, 97260), (420, 76187), (470, 68082), (564, 56735), (658, 48630), (705, 45388), (940, 34041), (987, 32420), (1316, 24315), (1410, 22694), (1621, 19740), (1645, 19452), (1974, 16210), (2820, 11347), (3242, 9870), (3290, 9726), (3948, 8105), (4863, 6580), (4935, 6484)]