40282020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7219}}^1$

素因数の和:7265

約数の個数: 72

約数和(自身を含む): 126147840

約数和(自身を除く): 85865820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 7219, 14438, 21657, 28876, 36095, 43314, 64971, 72190, 86628, 108285, 129942, 144380, 216570, 223789, 259884, 324855, 433140, 447578, 649710, 671367, 895156, 1118945, 1299420, 1342734, 2014101, 2237890, 2685468, 3356835, 4028202, 4475780, 6713670, 8056404, 10070505, 13427340, 20141010, 40282020]

約数ペア:

[(1, 40282020), (2, 20141010), (3, 13427340), (4, 10070505), (5, 8056404), (6, 6713670), (9, 4475780), (10, 4028202), (12, 3356835), (15, 2685468), (18, 2237890), (20, 2014101), (30, 1342734), (31, 1299420), (36, 1118945), (45, 895156), (60, 671367), (62, 649710), (90, 447578), (93, 433140), (124, 324855), (155, 259884), (180, 223789), (186, 216570), (279, 144380), (310, 129942), (372, 108285), (465, 86628), (558, 72190), (620, 64971), (930, 43314), (1116, 36095), (1395, 28876), (1860, 21657), (2790, 14438), (5580, 7219)]