64960020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1153}}^1$

素因数の和:1481

約数の個数: 72

約数和(自身を含む): 197846376

約数和(自身を除く): 132886356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 1153, 1252, 1565, 1878, 2306, 2817, 3130, 3459, 3756, 4612, 4695, 5634, 5765, 6260, 6918, 9390, 10377, 11268, 11530, 13836, 14085, 17295, 18780, 20754, 23060, 28170, 34590, 41508, 51885, 56340, 69180, 103770, 207540, 360889, 721778, 1082667, 1443556, 1804445, 2165334, 3248001, 3608890, 4330668, 5413335, 6496002, 7217780, 10826670, 12992004, 16240005, 21653340, 32480010, 64960020]

約数ペア:

[(1, 64960020), (2, 32480010), (3, 21653340), (4, 16240005), (5, 12992004), (6, 10826670), (9, 7217780), (10, 6496002), (12, 5413335), (15, 4330668), (18, 3608890), (20, 3248001), (30, 2165334), (36, 1804445), (45, 1443556), (60, 1082667), (90, 721778), (180, 360889), (313, 207540), (626, 103770), (939, 69180), (1153, 56340), (1252, 51885), (1565, 41508), (1878, 34590), (2306, 28170), (2817, 23060), (3130, 20754), (3459, 18780), (3756, 17295), (4612, 14085), (4695, 13836), (5634, 11530), (5765, 11268), (6260, 10377), (6918, 9390)]