28587240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7219}}^1$

素因数の和:7247

約数の個数: 96

約数和(自身を含む): 101368800

約数和(自身を除く): 72781560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7219, 14438, 21657, 28876, 36095, 43314, 57752, 64971, 72190, 79409, 86628, 108285, 129942, 144380, 158818, 173256, 216570, 238227, 259884, 288760, 317636, 324855, 397045, 433140, 476454, 519768, 635272, 649710, 714681, 794090, 866280, 952908, 1191135, 1299420, 1429362, 1588180, 1905816, 2382270, 2598840, 2858724, 3176360, 3573405, 4764540, 5717448, 7146810, 9529080, 14293620, 28587240]

約数ペア:

[(1, 28587240), (2, 14293620), (3, 9529080), (4, 7146810), (5, 5717448), (6, 4764540), (8, 3573405), (9, 3176360), (10, 2858724), (11, 2598840), (12, 2382270), (15, 1905816), (18, 1588180), (20, 1429362), (22, 1299420), (24, 1191135), (30, 952908), (33, 866280), (36, 794090), (40, 714681), (44, 649710), (45, 635272), (55, 519768), (60, 476454), (66, 433140), (72, 397045), (88, 324855), (90, 317636), (99, 288760), (110, 259884), (120, 238227), (132, 216570), (165, 173256), (180, 158818), (198, 144380), (220, 129942), (264, 108285), (330, 86628), (360, 79409), (396, 72190), (440, 64971), (495, 57752), (660, 43314), (792, 36095), (990, 28876), (1320, 21657), (1980, 14438), (3960, 7219)]