128642580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7219}}^1$

素因数の和:7251

約数の個数: 120

約数和(自身を含む): 440304480

約数和(自身を除く): 311661900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1620, 1782, 1980, 2970, 3564, 4455, 5940, 7219, 8910, 14438, 17820, 21657, 28876, 36095, 43314, 64971, 72190, 79409, 86628, 108285, 129942, 144380, 158818, 194913, 216570, 238227, 259884, 317636, 324855, 389826, 397045, 433140, 476454, 584739, 649710, 714681, 779652, 794090, 952908, 974565, 1169478, 1191135, 1299420, 1429362, 1588180, 1949130, 2144043, 2338956, 2382270, 2858724, 2923695, 3573405, 3898260, 4288086, 4764540, 5847390, 6432129, 7146810, 8576172, 10720215, 11694780, 12864258, 14293620, 21440430, 25728516, 32160645, 42880860, 64321290, 128642580]

約数ペア:

[(1, 128642580), (2, 64321290), (3, 42880860), (4, 32160645), (5, 25728516), (6, 21440430), (9, 14293620), (10, 12864258), (11, 11694780), (12, 10720215), (15, 8576172), (18, 7146810), (20, 6432129), (22, 5847390), (27, 4764540), (30, 4288086), (33, 3898260), (36, 3573405), (44, 2923695), (45, 2858724), (54, 2382270), (55, 2338956), (60, 2144043), (66, 1949130), (81, 1588180), (90, 1429362), (99, 1299420), (108, 1191135), (110, 1169478), (132, 974565), (135, 952908), (162, 794090), (165, 779652), (180, 714681), (198, 649710), (220, 584739), (270, 476454), (297, 433140), (324, 397045), (330, 389826), (396, 324855), (405, 317636), (495, 259884), (540, 238227), (594, 216570), (660, 194913), (810, 158818), (891, 144380), (990, 129942), (1188, 108285), (1485, 86628), (1620, 79409), (1782, 72190), (1980, 64971), (2970, 43314), (3564, 36095), (4455, 28876), (5940, 21657), (7219, 17820), (8910, 14438)]