31151340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15733}}^1$

素因数の和:15759

約数の個数: 72

約数和(自身を含む): 103089168

約数和(自身を除く): 71937828

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, 15733, 31466, 47199, 62932, 78665, 94398, 141597, 157330, 173063, 188796, 235995, 283194, 314660, 346126, 471990, 519189, 566388, 692252, 707985, 865315, 943980, 1038378, 1415970, 1557567, 1730630, 2076756, 2595945, 2831940, 3115134, 3461260, 5191890, 6230268, 7787835, 10383780, 15575670, 31151340]

約数ペア:

[(1, 31151340), (2, 15575670), (3, 10383780), (4, 7787835), (5, 6230268), (6, 5191890), (9, 3461260), (10, 3115134), (11, 2831940), (12, 2595945), (15, 2076756), (18, 1730630), (20, 1557567), (22, 1415970), (30, 1038378), (33, 943980), (36, 865315), (44, 707985), (45, 692252), (55, 566388), (60, 519189), (66, 471990), (90, 346126), (99, 314660), (110, 283194), (132, 235995), (165, 188796), (180, 173063), (198, 157330), (220, 141597), (330, 94398), (396, 78665), (495, 62932), (660, 47199), (990, 31466), (1980, 15733)]