178570620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43133}}^1$

素因数の和:43171

約数の個数: 72

約数和(自身を含む): 565227936

約数和(自身を除く): 386657316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 43133, 86266, 129399, 172532, 215665, 258798, 388197, 431330, 517596, 646995, 776394, 862660, 992059, 1293990, 1552788, 1940985, 1984118, 2587980, 2976177, 3881970, 3968236, 4960295, 5952354, 7763940, 8928531, 9920590, 11904708, 14880885, 17857062, 19841180, 29761770, 35714124, 44642655, 59523540, 89285310, 178570620]

約数ペア:

[(1, 178570620), (2, 89285310), (3, 59523540), (4, 44642655), (5, 35714124), (6, 29761770), (9, 19841180), (10, 17857062), (12, 14880885), (15, 11904708), (18, 9920590), (20, 8928531), (23, 7763940), (30, 5952354), (36, 4960295), (45, 3968236), (46, 3881970), (60, 2976177), (69, 2587980), (90, 1984118), (92, 1940985), (115, 1552788), (138, 1293990), (180, 992059), (207, 862660), (230, 776394), (276, 646995), (345, 517596), (414, 431330), (460, 388197), (690, 258798), (828, 215665), (1035, 172532), (1380, 129399), (2070, 86266), (4140, 43133)]