178840020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{56239}}^1$

素因数の和:56304

約数の個数: 48

約数和(自身を含む): 510209280

約数和(自身を除く): 331369260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 56239, 112478, 168717, 224956, 281195, 337434, 562390, 674868, 843585, 1124780, 1687170, 2980667, 3374340, 5961334, 8942001, 11922668, 14903335, 17884002, 29806670, 35768004, 44710005, 59613340, 89420010, 178840020]

約数ペア:

[(1, 178840020), (2, 89420010), (3, 59613340), (4, 44710005), (5, 35768004), (6, 29806670), (10, 17884002), (12, 14903335), (15, 11922668), (20, 8942001), (30, 5961334), (53, 3374340), (60, 2980667), (106, 1687170), (159, 1124780), (212, 843585), (265, 674868), (318, 562390), (530, 337434), (636, 281195), (795, 224956), (1060, 168717), (1590, 112478), (3180, 56239)]