31306320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43481}}^1$

素因数の和:43500

約数の個数: 60

約数和(自身を含む): 105139476

約数和(自身を除く): 73833156

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, 43481, 86962, 130443, 173924, 217405, 260886, 347848, 391329, 434810, 521772, 652215, 695696, 782658, 869620, 1043544, 1304430, 1565316, 1739240, 1956645, 2087088, 2608860, 3130632, 3478480, 3913290, 5217720, 6261264, 7826580, 10435440, 15653160, 31306320]

約数ペア:

[(1, 31306320), (2, 15653160), (3, 10435440), (4, 7826580), (5, 6261264), (6, 5217720), (8, 3913290), (9, 3478480), (10, 3130632), (12, 2608860), (15, 2087088), (16, 1956645), (18, 1739240), (20, 1565316), (24, 1304430), (30, 1043544), (36, 869620), (40, 782658), (45, 695696), (48, 652215), (60, 521772), (72, 434810), (80, 391329), (90, 347848), (120, 260886), (144, 217405), (180, 173924), (240, 130443), (360, 86962), (720, 43481)]