2056080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 6874560

約数和(自身を除く): 4818480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 659, 780, 1040, 1318, 1560, 1977, 2636, 3120, 3295, 3954, 5272, 6590, 7908, 8567, 9885, 10544, 13180, 15816, 17134, 19770, 25701, 26360, 31632, 34268, 39540, 42835, 51402, 52720, 68536, 79080, 85670, 102804, 128505, 137072, 158160, 171340, 205608, 257010, 342680, 411216, 514020, 685360, 1028040, 2056080]

約数ペア:

[(1, 2056080), (2, 1028040), (3, 685360), (4, 514020), (5, 411216), (6, 342680), (8, 257010), (10, 205608), (12, 171340), (13, 158160), (15, 137072), (16, 128505), (20, 102804), (24, 85670), (26, 79080), (30, 68536), (39, 52720), (40, 51402), (48, 42835), (52, 39540), (60, 34268), (65, 31632), (78, 26360), (80, 25701), (104, 19770), (120, 17134), (130, 15816), (156, 13180), (195, 10544), (208, 9885), (240, 8567), (260, 7908), (312, 6590), (390, 5272), (520, 3954), (624, 3295), (659, 3120), (780, 2636), (1040, 1977), (1318, 1560)]