9987780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 31409280

約数和(自身を除く): 21421500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 60, 66, 74, 110, 111, 132, 148, 165, 185, 220, 222, 330, 370, 407, 409, 444, 555, 660, 740, 814, 818, 1110, 1221, 1227, 1628, 1636, 2035, 2045, 2220, 2442, 2454, 4070, 4090, 4499, 4884, 4908, 6105, 6135, 8140, 8180, 8998, 12210, 12270, 13497, 15133, 17996, 22495, 24420, 24540, 26994, 30266, 44990, 45399, 53988, 60532, 67485, 75665, 89980, 90798, 134970, 151330, 166463, 181596, 226995, 269940, 302660, 332926, 453990, 499389, 665852, 832315, 907980, 998778, 1664630, 1997556, 2496945, 3329260, 4993890, 9987780]

約数ペア:

[(1, 9987780), (2, 4993890), (3, 3329260), (4, 2496945), (5, 1997556), (6, 1664630), (10, 998778), (11, 907980), (12, 832315), (15, 665852), (20, 499389), (22, 453990), (30, 332926), (33, 302660), (37, 269940), (44, 226995), (55, 181596), (60, 166463), (66, 151330), (74, 134970), (110, 90798), (111, 89980), (132, 75665), (148, 67485), (165, 60532), (185, 53988), (220, 45399), (222, 44990), (330, 30266), (370, 26994), (407, 24540), (409, 24420), (444, 22495), (555, 17996), (660, 15133), (740, 13497), (814, 12270), (818, 12210), (1110, 8998), (1221, 8180), (1227, 8140), (1628, 6135), (1636, 6105), (2035, 4908), (2045, 4884), (2220, 4499), (2442, 4090), (2454, 4070)]