31897740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:631

約数の個数: 96

約数和(自身を含む): 102896640

約数和(自身を除く): 70998900

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, 173, 210, 346, 420, 439, 519, 692, 865, 878, 1038, 1211, 1317, 1730, 1756, 2076, 2195, 2422, 2595, 2634, 3073, 3460, 3633, 4390, 4844, 5190, 5268, 6055, 6146, 6585, 7266, 8780, 9219, 10380, 12110, 12292, 13170, 14532, 15365, 18165, 18438, 24220, 26340, 30730, 36330, 36876, 46095, 61460, 72660, 75947, 92190, 151894, 184380, 227841, 303788, 379735, 455682, 531629, 759470, 911364, 1063258, 1139205, 1518940, 1594887, 2126516, 2278410, 2658145, 3189774, 4556820, 5316290, 6379548, 7974435, 10632580, 15948870, 31897740]

約数ペア:

[(1, 31897740), (2, 15948870), (3, 10632580), (4, 7974435), (5, 6379548), (6, 5316290), (7, 4556820), (10, 3189774), (12, 2658145), (14, 2278410), (15, 2126516), (20, 1594887), (21, 1518940), (28, 1139205), (30, 1063258), (35, 911364), (42, 759470), (60, 531629), (70, 455682), (84, 379735), (105, 303788), (140, 227841), (173, 184380), (210, 151894), (346, 92190), (420, 75947), (439, 72660), (519, 61460), (692, 46095), (865, 36876), (878, 36330), (1038, 30730), (1211, 26340), (1317, 24220), (1730, 18438), (1756, 18165), (2076, 15365), (2195, 14532), (2422, 13170), (2595, 12292), (2634, 12110), (3073, 10380), (3460, 9219), (3633, 8780), (4390, 7266), (4844, 6585), (5190, 6146), (5268, 6055)]