71243480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23131}}^1$

素因数の和:23160

約数の個数: 64

約数和(自身を含む): 199860480

約数和(自身を除く): 128617000

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, 23131, 46262, 92524, 115655, 161917, 185048, 231310, 254441, 323834, 462620, 508882, 647668, 809585, 925240, 1017764, 1272205, 1295336, 1619170, 1781087, 2035528, 2544410, 3238340, 3562174, 5088820, 6476680, 7124348, 8905435, 10177640, 14248696, 17810870, 35621740, 71243480]

約数ペア:

[(1, 71243480), (2, 35621740), (4, 17810870), (5, 14248696), (7, 10177640), (8, 8905435), (10, 7124348), (11, 6476680), (14, 5088820), (20, 3562174), (22, 3238340), (28, 2544410), (35, 2035528), (40, 1781087), (44, 1619170), (55, 1295336), (56, 1272205), (70, 1017764), (77, 925240), (88, 809585), (110, 647668), (140, 508882), (154, 462620), (220, 323834), (280, 254441), (308, 231310), (385, 185048), (440, 161917), (616, 115655), (770, 92524), (1540, 46262), (3080, 23131)]