219615660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{110917}}^1$

素因数の和:110943

約数の個数: 72

約数和(自身を含む): 726734736

約数和(自身を除く): 507119076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 110917, 221834, 332751, 443668, 554585, 665502, 998253, 1109170, 1220087, 1331004, 1663755, 1996506, 2218340, 2440174, 3327510, 3660261, 3993012, 4880348, 4991265, 6100435, 6655020, 7320522, 9982530, 10980783, 12200870, 14641044, 18301305, 19965060, 21961566, 24401740, 36602610, 43923132, 54903915, 73205220, 109807830, 219615660]

約数ペア:

[(1, 219615660), (2, 109807830), (3, 73205220), (4, 54903915), (5, 43923132), (6, 36602610), (9, 24401740), (10, 21961566), (11, 19965060), (12, 18301305), (15, 14641044), (18, 12200870), (20, 10980783), (22, 9982530), (30, 7320522), (33, 6655020), (36, 6100435), (44, 4991265), (45, 4880348), (55, 3993012), (60, 3660261), (66, 3327510), (90, 2440174), (99, 2218340), (110, 1996506), (132, 1663755), (165, 1331004), (180, 1220087), (198, 1109170), (220, 998253), (330, 665502), (396, 554585), (495, 443668), (660, 332751), (990, 221834), (1980, 110917)]