1231880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 3144960

約数和(自身を除く): 1913080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 103, 104, 115, 130, 184, 206, 230, 260, 299, 412, 460, 515, 520, 598, 824, 920, 1030, 1196, 1339, 1495, 2060, 2369, 2392, 2678, 2990, 4120, 4738, 5356, 5980, 6695, 9476, 10712, 11845, 11960, 13390, 18952, 23690, 26780, 30797, 47380, 53560, 61594, 94760, 123188, 153985, 246376, 307970, 615940, 1231880]

約数ペア:

[(1, 1231880), (2, 615940), (4, 307970), (5, 246376), (8, 153985), (10, 123188), (13, 94760), (20, 61594), (23, 53560), (26, 47380), (40, 30797), (46, 26780), (52, 23690), (65, 18952), (92, 13390), (103, 11960), (104, 11845), (115, 10712), (130, 9476), (184, 6695), (206, 5980), (230, 5356), (260, 4738), (299, 4120), (412, 2990), (460, 2678), (515, 2392), (520, 2369), (598, 2060), (824, 1495), (920, 1339), (1030, 1196)]