31037520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1732

約数の個数: 80

約数和(自身を含む): 97493760

約数和(自身を除く): 66456240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1637, 1896, 2370, 3160, 3274, 3792, 4740, 4911, 6320, 6548, 8185, 9480, 9822, 13096, 16370, 18960, 19644, 24555, 26192, 32740, 39288, 49110, 65480, 78576, 98220, 129323, 130960, 196440, 258646, 387969, 392880, 517292, 646615, 775938, 1034584, 1293230, 1551876, 1939845, 2069168, 2586460, 3103752, 3879690, 5172920, 6207504, 7759380, 10345840, 15518760, 31037520]

約数ペア:

[(1, 31037520), (2, 15518760), (3, 10345840), (4, 7759380), (5, 6207504), (6, 5172920), (8, 3879690), (10, 3103752), (12, 2586460), (15, 2069168), (16, 1939845), (20, 1551876), (24, 1293230), (30, 1034584), (40, 775938), (48, 646615), (60, 517292), (79, 392880), (80, 387969), (120, 258646), (158, 196440), (237, 130960), (240, 129323), (316, 98220), (395, 78576), (474, 65480), (632, 49110), (790, 39288), (948, 32740), (1185, 26192), (1264, 24555), (1580, 19644), (1637, 18960), (1896, 16370), (2370, 13096), (3160, 9822), (3274, 9480), (3792, 8185), (4740, 6548), (4911, 6320)]