80705240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26203}}^1$

素因数の和:26232

約数の個数: 64

約数和(自身を含む): 226402560

約数和(自身を除く): 145697320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 26203, 52406, 104812, 131015, 183421, 209624, 262030, 288233, 366842, 524060, 576466, 733684, 917105, 1048120, 1152932, 1441165, 1467368, 1834210, 2017631, 2305864, 2882330, 3668420, 4035262, 5764660, 7336840, 8070524, 10088155, 11529320, 16141048, 20176310, 40352620, 80705240]

約数ペア:

[(1, 80705240), (2, 40352620), (4, 20176310), (5, 16141048), (7, 11529320), (8, 10088155), (10, 8070524), (11, 7336840), (14, 5764660), (20, 4035262), (22, 3668420), (28, 2882330), (35, 2305864), (40, 2017631), (44, 1834210), (55, 1467368), (56, 1441165), (70, 1152932), (77, 1048120), (88, 917105), (110, 733684), (140, 576466), (154, 524060), (220, 366842), (280, 288233), (308, 262030), (385, 209624), (440, 183421), (616, 131015), (770, 104812), (1540, 52406), (3080, 26203)]