12171320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2557}}^1$

素因数の和:2592

約数の個数: 64

約数和(自身を含む): 33151680

約数和(自身を除く): 20980360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 2557, 4760, 5114, 10228, 12785, 17899, 20456, 25570, 35798, 43469, 51140, 71596, 86938, 89495, 102280, 143192, 173876, 178990, 217345, 304283, 347752, 357980, 434690, 608566, 715960, 869380, 1217132, 1521415, 1738760, 2434264, 3042830, 6085660, 12171320]

約数ペア:

[(1, 12171320), (2, 6085660), (4, 3042830), (5, 2434264), (7, 1738760), (8, 1521415), (10, 1217132), (14, 869380), (17, 715960), (20, 608566), (28, 434690), (34, 357980), (35, 347752), (40, 304283), (56, 217345), (68, 178990), (70, 173876), (85, 143192), (119, 102280), (136, 89495), (140, 86938), (170, 71596), (238, 51140), (280, 43469), (340, 35798), (476, 25570), (595, 20456), (680, 17899), (952, 12785), (1190, 10228), (2380, 5114), (2557, 4760)]