158110280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1931}}^1$

素因数の和:2054

約数の個数: 64

約数和(自身を含む): 375580800

約数和(自身を除く): 217470520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 1931, 2047, 3560, 3862, 4094, 7724, 8188, 9655, 10235, 15448, 16376, 19310, 20470, 38620, 40940, 44413, 77240, 81880, 88826, 171859, 177652, 222065, 343718, 355304, 444130, 687436, 859295, 888260, 1374872, 1718590, 1776520, 3437180, 3952757, 6874360, 7905514, 15811028, 19763785, 31622056, 39527570, 79055140, 158110280]

約数ペア:

[(1, 158110280), (2, 79055140), (4, 39527570), (5, 31622056), (8, 19763785), (10, 15811028), (20, 7905514), (23, 6874360), (40, 3952757), (46, 3437180), (89, 1776520), (92, 1718590), (115, 1374872), (178, 888260), (184, 859295), (230, 687436), (356, 444130), (445, 355304), (460, 343718), (712, 222065), (890, 177652), (920, 171859), (1780, 88826), (1931, 81880), (2047, 77240), (3560, 44413), (3862, 40940), (4094, 38620), (7724, 20470), (8188, 19310), (9655, 16376), (10235, 15448)]