72338280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86117}}^1$

素因数の和:86138

約数の個数: 64

約数和(自身を含む): 248019840

約数和(自身を除く): 175681560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86117, 172234, 258351, 344468, 430585, 516702, 602819, 688936, 861170, 1033404, 1205638, 1291755, 1722340, 1808457, 2066808, 2411276, 2583510, 3014095, 3444680, 3616914, 4822552, 5167020, 6028190, 7233828, 9042285, 10334040, 12056380, 14467656, 18084570, 24112760, 36169140, 72338280]

約数ペア:

[(1, 72338280), (2, 36169140), (3, 24112760), (4, 18084570), (5, 14467656), (6, 12056380), (7, 10334040), (8, 9042285), (10, 7233828), (12, 6028190), (14, 5167020), (15, 4822552), (20, 3616914), (21, 3444680), (24, 3014095), (28, 2583510), (30, 2411276), (35, 2066808), (40, 1808457), (42, 1722340), (56, 1291755), (60, 1205638), (70, 1033404), (84, 861170), (105, 688936), (120, 602819), (140, 516702), (168, 430585), (210, 344468), (280, 258351), (420, 172234), (840, 86117)]