147487760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2557}}^1$

素因数の和:2680

約数の個数: 80

約数和(自身を含む): 395855616

約数和(自身を除く): 248367856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1442, 1648, 2060, 2557, 2884, 3605, 4120, 5114, 5768, 7210, 8240, 10228, 11536, 12785, 14420, 17899, 20456, 25570, 28840, 35798, 40912, 51140, 57680, 71596, 89495, 102280, 143192, 178990, 204560, 263371, 286384, 357980, 526742, 715960, 1053484, 1316855, 1431920, 1843597, 2106968, 2633710, 3687194, 4213936, 5267420, 7374388, 9217985, 10534840, 14748776, 18435970, 21069680, 29497552, 36871940, 73743880, 147487760]

約数ペア:

[(1, 147487760), (2, 73743880), (4, 36871940), (5, 29497552), (7, 21069680), (8, 18435970), (10, 14748776), (14, 10534840), (16, 9217985), (20, 7374388), (28, 5267420), (35, 4213936), (40, 3687194), (56, 2633710), (70, 2106968), (80, 1843597), (103, 1431920), (112, 1316855), (140, 1053484), (206, 715960), (280, 526742), (412, 357980), (515, 286384), (560, 263371), (721, 204560), (824, 178990), (1030, 143192), (1442, 102280), (1648, 89495), (2060, 71596), (2557, 57680), (2884, 51140), (3605, 40912), (4120, 35798), (5114, 28840), (5768, 25570), (7210, 20456), (8240, 17899), (10228, 14420), (11536, 12785)]