31252140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5987}}^1$

素因数の和:6031

約数の個数: 72

約数和(自身を含む): 98083440

約数和(自身を除く): 66831300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 5987, 11974, 17961, 23948, 29935, 35922, 53883, 59870, 71844, 89805, 107766, 119740, 173623, 179610, 215532, 269415, 347246, 359220, 520869, 538830, 694492, 868115, 1041738, 1077660, 1562607, 1736230, 2083476, 2604345, 3125214, 3472460, 5208690, 6250428, 7813035, 10417380, 15626070, 31252140]

約数ペア:

[(1, 31252140), (2, 15626070), (3, 10417380), (4, 7813035), (5, 6250428), (6, 5208690), (9, 3472460), (10, 3125214), (12, 2604345), (15, 2083476), (18, 1736230), (20, 1562607), (29, 1077660), (30, 1041738), (36, 868115), (45, 694492), (58, 538830), (60, 520869), (87, 359220), (90, 347246), (116, 269415), (145, 215532), (174, 179610), (180, 173623), (261, 119740), (290, 107766), (348, 89805), (435, 71844), (522, 59870), (580, 53883), (870, 35922), (1044, 29935), (1305, 23948), (1740, 17961), (2610, 11974), (5220, 5987)]