1304820

素因数分解:

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

素因数の和:685

約数の個数: 72

約数和(自身を含む): 4324320

約数和(自身を除く): 3019500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 659, 660, 990, 1318, 1977, 1980, 2636, 3295, 3954, 5931, 6590, 7249, 7908, 9885, 11862, 13180, 14498, 19770, 21747, 23724, 28996, 29655, 36245, 39540, 43494, 59310, 65241, 72490, 86988, 108735, 118620, 130482, 144980, 217470, 260964, 326205, 434940, 652410, 1304820]

約数ペア:

[(1, 1304820), (2, 652410), (3, 434940), (4, 326205), (5, 260964), (6, 217470), (9, 144980), (10, 130482), (11, 118620), (12, 108735), (15, 86988), (18, 72490), (20, 65241), (22, 59310), (30, 43494), (33, 39540), (36, 36245), (44, 29655), (45, 28996), (55, 23724), (60, 21747), (66, 19770), (90, 14498), (99, 13180), (110, 11862), (132, 9885), (165, 7908), (180, 7249), (198, 6590), (220, 5931), (330, 3954), (396, 3295), (495, 2636), (659, 1980), (660, 1977), (990, 1318)]