28609020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14449}}^1$

素因数の和:14475

約数の個数: 72

約数和(自身を含む): 94676400

約数和(自身を除く): 66067380

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, 14449, 28898, 43347, 57796, 72245, 86694, 130041, 144490, 158939, 173388, 216735, 260082, 288980, 317878, 433470, 476817, 520164, 635756, 650205, 794695, 866940, 953634, 1300410, 1430451, 1589390, 1907268, 2384085, 2600820, 2860902, 3178780, 4768170, 5721804, 7152255, 9536340, 14304510, 28609020]

約数ペア:

[(1, 28609020), (2, 14304510), (3, 9536340), (4, 7152255), (5, 5721804), (6, 4768170), (9, 3178780), (10, 2860902), (11, 2600820), (12, 2384085), (15, 1907268), (18, 1589390), (20, 1430451), (22, 1300410), (30, 953634), (33, 866940), (36, 794695), (44, 650205), (45, 635756), (55, 520164), (60, 476817), (66, 433470), (90, 317878), (99, 288980), (110, 260082), (132, 216735), (165, 173388), (180, 158939), (198, 144490), (220, 130041), (330, 86694), (396, 72245), (495, 57796), (660, 43347), (990, 28898), (1980, 14449)]