66470820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2805

約数の個数: 96

約数和(自身を含む): 206976000

約数和(自身を除く): 140505180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 2749, 4030, 4836, 5498, 6045, 8060, 8247, 10996, 12090, 13745, 16494, 24180, 27490, 32988, 35737, 41235, 54980, 71474, 82470, 85219, 107211, 142948, 164940, 170438, 178685, 214422, 255657, 340876, 357370, 426095, 428844, 511314, 536055, 714740, 852190, 1022628, 1072110, 1107847, 1278285, 1704380, 2144220, 2215694, 2556570, 3323541, 4431388, 5113140, 5539235, 6647082, 11078470, 13294164, 16617705, 22156940, 33235410, 66470820]

約数ペア:

[(1, 66470820), (2, 33235410), (3, 22156940), (4, 16617705), (5, 13294164), (6, 11078470), (10, 6647082), (12, 5539235), (13, 5113140), (15, 4431388), (20, 3323541), (26, 2556570), (30, 2215694), (31, 2144220), (39, 1704380), (52, 1278285), (60, 1107847), (62, 1072110), (65, 1022628), (78, 852190), (93, 714740), (124, 536055), (130, 511314), (155, 428844), (156, 426095), (186, 357370), (195, 340876), (260, 255657), (310, 214422), (372, 178685), (390, 170438), (403, 164940), (465, 142948), (620, 107211), (780, 85219), (806, 82470), (930, 71474), (1209, 54980), (1612, 41235), (1860, 35737), (2015, 32988), (2418, 27490), (2749, 24180), (4030, 16494), (4836, 13745), (5498, 12090), (6045, 10996), (8060, 8247)]