64544940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1153}}^1$

素因数の和:1479

約数の個数: 72

約数和(自身を含む): 196586208

約数和(自身を除く): 132041268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1153, 1244, 1555, 1866, 2306, 2799, 3110, 3459, 3732, 4612, 4665, 5598, 5765, 6220, 6918, 9330, 10377, 11196, 11530, 13836, 13995, 17295, 18660, 20754, 23060, 27990, 34590, 41508, 51885, 55980, 69180, 103770, 207540, 358583, 717166, 1075749, 1434332, 1792915, 2151498, 3227247, 3585830, 4302996, 5378745, 6454494, 7171660, 10757490, 12908988, 16136235, 21514980, 32272470, 64544940]

約数ペア:

[(1, 64544940), (2, 32272470), (3, 21514980), (4, 16136235), (5, 12908988), (6, 10757490), (9, 7171660), (10, 6454494), (12, 5378745), (15, 4302996), (18, 3585830), (20, 3227247), (30, 2151498), (36, 1792915), (45, 1434332), (60, 1075749), (90, 717166), (180, 358583), (311, 207540), (622, 103770), (933, 69180), (1153, 55980), (1244, 51885), (1555, 41508), (1866, 34590), (2306, 27990), (2799, 23060), (3110, 20754), (3459, 18660), (3732, 17295), (4612, 13995), (4665, 13836), (5598, 11530), (5765, 11196), (6220, 10377), (6918, 9330)]