31444380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15881}}^1$

素因数の和:15907

約数の個数: 72

約数和(自身を含む): 104058864

約数和(自身を除く): 72614484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15881, 31762, 47643, 63524, 79405, 95286, 142929, 158810, 174691, 190572, 238215, 285858, 317620, 349382, 476430, 524073, 571716, 698764, 714645, 873455, 952860, 1048146, 1429290, 1572219, 1746910, 2096292, 2620365, 2858580, 3144438, 3493820, 5240730, 6288876, 7861095, 10481460, 15722190, 31444380]

約数ペア:

[(1, 31444380), (2, 15722190), (3, 10481460), (4, 7861095), (5, 6288876), (6, 5240730), (9, 3493820), (10, 3144438), (11, 2858580), (12, 2620365), (15, 2096292), (18, 1746910), (20, 1572219), (22, 1429290), (30, 1048146), (33, 952860), (36, 873455), (44, 714645), (45, 698764), (55, 571716), (60, 524073), (66, 476430), (90, 349382), (99, 317620), (110, 285858), (132, 238215), (165, 190572), (180, 174691), (198, 158810), (220, 142929), (330, 95286), (396, 79405), (495, 63524), (660, 47643), (990, 31762), (1980, 15881)]