31274160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{419}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 97493760

約数和(自身を除く): 66219600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 311, 419, 622, 838, 933, 1244, 1257, 1555, 1676, 1866, 2095, 2488, 2514, 3110, 3352, 3732, 4190, 4665, 4976, 5028, 6220, 6285, 6704, 7464, 8380, 9330, 10056, 12440, 12570, 14928, 16760, 18660, 20112, 24880, 25140, 33520, 37320, 50280, 74640, 100560, 130309, 260618, 390927, 521236, 651545, 781854, 1042472, 1303090, 1563708, 1954635, 2084944, 2606180, 3127416, 3909270, 5212360, 6254832, 7818540, 10424720, 15637080, 31274160]

約数ペア:

[(1, 31274160), (2, 15637080), (3, 10424720), (4, 7818540), (5, 6254832), (6, 5212360), (8, 3909270), (10, 3127416), (12, 2606180), (15, 2084944), (16, 1954635), (20, 1563708), (24, 1303090), (30, 1042472), (40, 781854), (48, 651545), (60, 521236), (80, 390927), (120, 260618), (240, 130309), (311, 100560), (419, 74640), (622, 50280), (838, 37320), (933, 33520), (1244, 25140), (1257, 24880), (1555, 20112), (1676, 18660), (1866, 16760), (2095, 14928), (2488, 12570), (2514, 12440), (3110, 10056), (3352, 9330), (3732, 8380), (4190, 7464), (4665, 6704), (4976, 6285), (5028, 6220)]