28220940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4751}}^1$

素因数の和:4780

約数の個数: 96

約数和(自身を含む): 95800320

約数和(自身を除く): 67579380

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, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 4751, 5940, 9502, 14253, 19004, 23755, 28506, 42759, 47510, 52261, 57012, 71265, 85518, 95020, 104522, 128277, 142530, 156783, 171036, 209044, 213795, 256554, 261305, 285060, 313566, 427590, 470349, 513108, 522610, 627132, 641385, 783915, 855180, 940698, 1045220, 1282770, 1411047, 1567830, 1881396, 2351745, 2565540, 2822094, 3135660, 4703490, 5644188, 7055235, 9406980, 14110470, 28220940]

約数ペア:

[(1, 28220940), (2, 14110470), (3, 9406980), (4, 7055235), (5, 5644188), (6, 4703490), (9, 3135660), (10, 2822094), (11, 2565540), (12, 2351745), (15, 1881396), (18, 1567830), (20, 1411047), (22, 1282770), (27, 1045220), (30, 940698), (33, 855180), (36, 783915), (44, 641385), (45, 627132), (54, 522610), (55, 513108), (60, 470349), (66, 427590), (90, 313566), (99, 285060), (108, 261305), (110, 256554), (132, 213795), (135, 209044), (165, 171036), (180, 156783), (198, 142530), (220, 128277), (270, 104522), (297, 95020), (330, 85518), (396, 71265), (495, 57012), (540, 52261), (594, 47510), (660, 42759), (990, 28506), (1188, 23755), (1485, 19004), (1980, 14253), (2970, 9502), (4751, 5940)]