18101220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 53464320

約数和(自身を除く): 35363100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 101, 103, 116, 145, 174, 202, 206, 290, 303, 309, 348, 404, 412, 435, 505, 515, 580, 606, 618, 870, 1010, 1030, 1212, 1236, 1515, 1545, 1740, 2020, 2060, 2929, 2987, 3030, 3090, 5858, 5974, 6060, 6180, 8787, 8961, 10403, 11716, 11948, 14645, 14935, 17574, 17922, 20806, 29290, 29870, 31209, 35148, 35844, 41612, 43935, 44805, 52015, 58580, 59740, 62418, 87870, 89610, 104030, 124836, 156045, 175740, 179220, 208060, 301687, 312090, 603374, 624180, 905061, 1206748, 1508435, 1810122, 3016870, 3620244, 4525305, 6033740, 9050610, 18101220]

約数ペア:

[(1, 18101220), (2, 9050610), (3, 6033740), (4, 4525305), (5, 3620244), (6, 3016870), (10, 1810122), (12, 1508435), (15, 1206748), (20, 905061), (29, 624180), (30, 603374), (58, 312090), (60, 301687), (87, 208060), (101, 179220), (103, 175740), (116, 156045), (145, 124836), (174, 104030), (202, 89610), (206, 87870), (290, 62418), (303, 59740), (309, 58580), (348, 52015), (404, 44805), (412, 43935), (435, 41612), (505, 35844), (515, 35148), (580, 31209), (606, 29870), (618, 29290), (870, 20806), (1010, 17922), (1030, 17574), (1212, 14935), (1236, 14645), (1515, 11948), (1545, 11716), (1740, 10403), (2020, 8961), (2060, 8787), (2929, 6180), (2987, 6060), (3030, 5974), (3090, 5858)]