31353120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21773}}^1$

素因数の和:21794

約数の個数: 72

約数和(自身を含む): 106997436

約数和(自身を除く): 75644316

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21773, 43546, 65319, 87092, 108865, 130638, 174184, 195957, 217730, 261276, 326595, 348368, 391914, 435460, 522552, 653190, 696736, 783828, 870920, 979785, 1045104, 1306380, 1567656, 1741840, 1959570, 2090208, 2612760, 3135312, 3483680, 3919140, 5225520, 6270624, 7838280, 10451040, 15676560, 31353120]

約数ペア:

[(1, 31353120), (2, 15676560), (3, 10451040), (4, 7838280), (5, 6270624), (6, 5225520), (8, 3919140), (9, 3483680), (10, 3135312), (12, 2612760), (15, 2090208), (16, 1959570), (18, 1741840), (20, 1567656), (24, 1306380), (30, 1045104), (32, 979785), (36, 870920), (40, 783828), (45, 696736), (48, 653190), (60, 522552), (72, 435460), (80, 391914), (90, 348368), (96, 326595), (120, 261276), (144, 217730), (160, 195957), (180, 174184), (240, 130638), (288, 108865), (360, 87092), (480, 65319), (720, 43546), (1440, 21773)]