68836040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18911}}^1$

素因数の和:18942

約数の個数: 64

約数和(自身を含む): 190632960

約数和(自身を除く): 121796920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 18911, 37822, 75644, 94555, 132377, 151288, 189110, 245843, 264754, 378220, 491686, 529508, 661885, 756440, 983372, 1059016, 1229215, 1323770, 1720901, 1966744, 2458430, 2647540, 3441802, 4916860, 5295080, 6883604, 8604505, 9833720, 13767208, 17209010, 34418020, 68836040]

約数ペア:

[(1, 68836040), (2, 34418020), (4, 17209010), (5, 13767208), (7, 9833720), (8, 8604505), (10, 6883604), (13, 5295080), (14, 4916860), (20, 3441802), (26, 2647540), (28, 2458430), (35, 1966744), (40, 1720901), (52, 1323770), (56, 1229215), (65, 1059016), (70, 983372), (91, 756440), (104, 661885), (130, 529508), (140, 491686), (182, 378220), (260, 264754), (280, 245843), (364, 189110), (455, 151288), (520, 132377), (728, 94555), (910, 75644), (1820, 37822), (3640, 18911)]