1028040

素因数分解:

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

素因数の和:686

約数の個数: 64

約数和(自身を含む): 3326400

約数和(自身を除く): 2298360

約数列:

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

約数ペア:

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