869880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 2851200

約数和(自身を除く): 1981320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 659, 660, 1318, 1320, 1977, 2636, 3295, 3954, 5272, 6590, 7249, 7908, 9885, 13180, 14498, 15816, 19770, 21747, 26360, 28996, 36245, 39540, 43494, 57992, 72490, 79080, 86988, 108735, 144980, 173976, 217470, 289960, 434940, 869880]

約数ペア:

[(1, 869880), (2, 434940), (3, 289960), (4, 217470), (5, 173976), (6, 144980), (8, 108735), (10, 86988), (11, 79080), (12, 72490), (15, 57992), (20, 43494), (22, 39540), (24, 36245), (30, 28996), (33, 26360), (40, 21747), (44, 19770), (55, 15816), (60, 14498), (66, 13180), (88, 9885), (110, 7908), (120, 7249), (132, 6590), (165, 5272), (220, 3954), (264, 3295), (330, 2636), (440, 1977), (659, 1320), (660, 1318)]