28233540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1553}}^1$

素因数の和:1669

約数の個数: 72

約数和(自身を含む): 86545368

約数和(自身を除く): 58311828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1553, 1818, 2020, 3030, 3106, 3636, 4545, 4659, 6060, 6212, 7765, 9090, 9318, 13977, 15530, 18180, 18636, 23295, 27954, 31060, 46590, 55908, 69885, 93180, 139770, 156853, 279540, 313706, 470559, 627412, 784265, 941118, 1411677, 1568530, 1882236, 2352795, 2823354, 3137060, 4705590, 5646708, 7058385, 9411180, 14116770, 28233540]

約数ペア:

[(1, 28233540), (2, 14116770), (3, 9411180), (4, 7058385), (5, 5646708), (6, 4705590), (9, 3137060), (10, 2823354), (12, 2352795), (15, 1882236), (18, 1568530), (20, 1411677), (30, 941118), (36, 784265), (45, 627412), (60, 470559), (90, 313706), (101, 279540), (180, 156853), (202, 139770), (303, 93180), (404, 69885), (505, 55908), (606, 46590), (909, 31060), (1010, 27954), (1212, 23295), (1515, 18636), (1553, 18180), (1818, 15530), (2020, 13977), (3030, 9318), (3106, 9090), (3636, 7765), (4545, 6212), (4659, 6060)]