145972720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79333}}^1$

素因数の和:79369

約数の個数: 40

約数和(自身を含む): 354146976

約数和(自身を除く): 208174256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 79333, 158666, 317332, 396665, 634664, 793330, 1269328, 1586660, 1824659, 3173320, 3649318, 6346640, 7298636, 9123295, 14597272, 18246590, 29194544, 36493180, 72986360, 145972720]

約数ペア:

[(1, 145972720), (2, 72986360), (4, 36493180), (5, 29194544), (8, 18246590), (10, 14597272), (16, 9123295), (20, 7298636), (23, 6346640), (40, 3649318), (46, 3173320), (80, 1824659), (92, 1586660), (115, 1269328), (184, 793330), (230, 634664), (368, 396665), (460, 317332), (920, 158666), (1840, 79333)]