90009180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4951}}^1$

素因数の和:5067

約数の個数: 72

約数和(自身を含む): 275786784

約数和(自身を除く): 185777604

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, 1818, 2020, 3030, 3636, 4545, 4951, 6060, 9090, 9902, 14853, 18180, 19804, 24755, 29706, 44559, 49510, 59412, 74265, 89118, 99020, 148530, 178236, 222795, 297060, 445590, 500051, 891180, 1000102, 1500153, 2000204, 2500255, 3000306, 4500459, 5000510, 6000612, 7500765, 9000918, 10001020, 15001530, 18001836, 22502295, 30003060, 45004590, 90009180]

約数ペア:

[(1, 90009180), (2, 45004590), (3, 30003060), (4, 22502295), (5, 18001836), (6, 15001530), (9, 10001020), (10, 9000918), (12, 7500765), (15, 6000612), (18, 5000510), (20, 4500459), (30, 3000306), (36, 2500255), (45, 2000204), (60, 1500153), (90, 1000102), (101, 891180), (180, 500051), (202, 445590), (303, 297060), (404, 222795), (505, 178236), (606, 148530), (909, 99020), (1010, 89118), (1212, 74265), (1515, 59412), (1818, 49510), (2020, 44559), (3030, 29706), (3636, 24755), (4545, 19804), (4951, 18180), (6060, 14853), (9090, 9902)]