64193020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{523}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 150930864

約数和(自身を除く): 86737844

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 361, 380, 523, 646, 722, 1046, 1292, 1444, 1615, 1805, 2092, 2615, 3230, 3610, 5230, 6137, 6460, 7220, 8891, 9937, 10460, 12274, 17782, 19874, 24548, 30685, 35564, 39748, 44455, 49685, 61370, 88910, 99370, 122740, 168929, 177820, 188803, 198740, 337858, 377606, 675716, 755212, 844645, 944015, 1689290, 1888030, 3209651, 3378580, 3776060, 6419302, 12838604, 16048255, 32096510, 64193020]

約数ペア:

[(1, 64193020), (2, 32096510), (4, 16048255), (5, 12838604), (10, 6419302), (17, 3776060), (19, 3378580), (20, 3209651), (34, 1888030), (38, 1689290), (68, 944015), (76, 844645), (85, 755212), (95, 675716), (170, 377606), (190, 337858), (323, 198740), (340, 188803), (361, 177820), (380, 168929), (523, 122740), (646, 99370), (722, 88910), (1046, 61370), (1292, 49685), (1444, 44455), (1615, 39748), (1805, 35564), (2092, 30685), (2615, 24548), (3230, 19874), (3610, 17782), (5230, 12274), (6137, 10460), (6460, 9937), (7220, 8891)]