18638640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{8629}}^1$

素因数の和:8651

約数の個数: 80

約数和(自身を含む): 64207200

約数和(自身を除く): 45568560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 8629, 17258, 25887, 34516, 43145, 51774, 69032, 77661, 86290, 103548, 129435, 138064, 155322, 172580, 207096, 232983, 258870, 310644, 345160, 388305, 414192, 465966, 517740, 621288, 690320, 776610, 931932, 1035480, 1164915, 1242576, 1553220, 1863864, 2070960, 2329830, 3106440, 3727728, 4659660, 6212880, 9319320, 18638640]

約数ペア:

[(1, 18638640), (2, 9319320), (3, 6212880), (4, 4659660), (5, 3727728), (6, 3106440), (8, 2329830), (9, 2070960), (10, 1863864), (12, 1553220), (15, 1242576), (16, 1164915), (18, 1035480), (20, 931932), (24, 776610), (27, 690320), (30, 621288), (36, 517740), (40, 465966), (45, 414192), (48, 388305), (54, 345160), (60, 310644), (72, 258870), (80, 232983), (90, 207096), (108, 172580), (120, 155322), (135, 138064), (144, 129435), (180, 103548), (216, 86290), (240, 77661), (270, 69032), (360, 51774), (432, 43145), (540, 34516), (720, 25887), (1080, 17258), (2160, 8629)]