316481220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{159839}}^1$

素因数の和:159865

約数の個数: 72

約数和(自身を含む): 1047271680

約数和(自身を除く): 730790460

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, 159839, 319678, 479517, 639356, 799195, 959034, 1438551, 1598390, 1758229, 1918068, 2397585, 2877102, 3196780, 3516458, 4795170, 5274687, 5754204, 7032916, 7192755, 8791145, 9590340, 10549374, 14385510, 15824061, 17582290, 21098748, 26373435, 28771020, 31648122, 35164580, 52746870, 63296244, 79120305, 105493740, 158240610, 316481220]

約数ペア:

[(1, 316481220), (2, 158240610), (3, 105493740), (4, 79120305), (5, 63296244), (6, 52746870), (9, 35164580), (10, 31648122), (11, 28771020), (12, 26373435), (15, 21098748), (18, 17582290), (20, 15824061), (22, 14385510), (30, 10549374), (33, 9590340), (36, 8791145), (44, 7192755), (45, 7032916), (55, 5754204), (60, 5274687), (66, 4795170), (90, 3516458), (99, 3196780), (110, 2877102), (132, 2397585), (165, 1918068), (180, 1758229), (198, 1598390), (220, 1438551), (330, 959034), (396, 799195), (495, 639356), (660, 479517), (990, 319678), (1980, 159839)]