64349640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19861}}^1$

素因数の和:19884

約数の個数: 80

約数和(自身を含む): 216297180

約数和(自身を除く): 151947540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 19861, 39722, 59583, 79444, 99305, 119166, 158888, 178749, 198610, 238332, 297915, 357498, 397220, 476664, 536247, 595830, 714996, 794440, 893745, 1072494, 1191660, 1429992, 1608741, 1787490, 2144988, 2383320, 2681235, 3217482, 3574980, 4289976, 5362470, 6434964, 7149960, 8043705, 10724940, 12869928, 16087410, 21449880, 32174820, 64349640]

約数ペア:

[(1, 64349640), (2, 32174820), (3, 21449880), (4, 16087410), (5, 12869928), (6, 10724940), (8, 8043705), (9, 7149960), (10, 6434964), (12, 5362470), (15, 4289976), (18, 3574980), (20, 3217482), (24, 2681235), (27, 2383320), (30, 2144988), (36, 1787490), (40, 1608741), (45, 1429992), (54, 1191660), (60, 1072494), (72, 893745), (81, 794440), (90, 714996), (108, 595830), (120, 536247), (135, 476664), (162, 397220), (180, 357498), (216, 297915), (270, 238332), (324, 198610), (360, 178749), (405, 158888), (540, 119166), (648, 99305), (810, 79444), (1080, 59583), (1620, 39722), (3240, 19861)]