1818840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 5702400

約数和(自身を除く): 3883560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 659, 690, 920, 1318, 1380, 1977, 2636, 2760, 3295, 3954, 5272, 6590, 7908, 9885, 13180, 15157, 15816, 19770, 26360, 30314, 39540, 45471, 60628, 75785, 79080, 90942, 121256, 151570, 181884, 227355, 303140, 363768, 454710, 606280, 909420, 1818840]

約数ペア:

[(1, 1818840), (2, 909420), (3, 606280), (4, 454710), (5, 363768), (6, 303140), (8, 227355), (10, 181884), (12, 151570), (15, 121256), (20, 90942), (23, 79080), (24, 75785), (30, 60628), (40, 45471), (46, 39540), (60, 30314), (69, 26360), (92, 19770), (115, 15816), (120, 15157), (138, 13180), (184, 9885), (230, 7908), (276, 6590), (345, 5272), (460, 3954), (552, 3295), (659, 2760), (690, 2636), (920, 1977), (1318, 1380)]