620321680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{5381}}^1$

素因数の和:5536

約数の個数: 80

約数和(自身を含む): 1585666368

約数和(自身を除く): 965344688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 262, 440, 524, 655, 880, 1048, 1310, 1441, 2096, 2620, 2882, 5240, 5381, 5764, 7205, 10480, 10762, 11528, 14410, 21524, 23056, 26905, 28820, 43048, 53810, 57640, 59191, 86096, 107620, 115280, 118382, 215240, 236764, 295955, 430480, 473528, 591910, 704911, 947056, 1183820, 1409822, 2367640, 2819644, 3524555, 4735280, 5639288, 7049110, 7754021, 11278576, 14098220, 15508042, 28196440, 31016084, 38770105, 56392880, 62032168, 77540210, 124064336, 155080420, 310160840, 620321680]

約数ペア:

[(1, 620321680), (2, 310160840), (4, 155080420), (5, 124064336), (8, 77540210), (10, 62032168), (11, 56392880), (16, 38770105), (20, 31016084), (22, 28196440), (40, 15508042), (44, 14098220), (55, 11278576), (80, 7754021), (88, 7049110), (110, 5639288), (131, 4735280), (176, 3524555), (220, 2819644), (262, 2367640), (440, 1409822), (524, 1183820), (655, 947056), (880, 704911), (1048, 591910), (1310, 473528), (1441, 430480), (2096, 295955), (2620, 236764), (2882, 215240), (5240, 118382), (5381, 115280), (5764, 107620), (7205, 86096), (10480, 59191), (10762, 57640), (11528, 53810), (14410, 43048), (21524, 28820), (23056, 26905)]