15401520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{21391}}^1$

素因数の和:21410

約数の個数: 60

約数和(自身を含む): 51725856

約数和(自身を除く): 36324336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 21391, 42782, 64173, 85564, 106955, 128346, 171128, 192519, 213910, 256692, 320865, 342256, 385038, 427820, 513384, 641730, 770076, 855640, 962595, 1026768, 1283460, 1540152, 1711280, 1925190, 2566920, 3080304, 3850380, 5133840, 7700760, 15401520]

約数ペア:

[(1, 15401520), (2, 7700760), (3, 5133840), (4, 3850380), (5, 3080304), (6, 2566920), (8, 1925190), (9, 1711280), (10, 1540152), (12, 1283460), (15, 1026768), (16, 962595), (18, 855640), (20, 770076), (24, 641730), (30, 513384), (36, 427820), (40, 385038), (45, 342256), (48, 320865), (60, 256692), (72, 213910), (80, 192519), (90, 171128), (120, 128346), (144, 106955), (180, 85564), (240, 64173), (360, 42782), (720, 21391)]