15838220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1259}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 20359060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1259, 2516, 2518, 3145, 5036, 6290, 6295, 12580, 12590, 21403, 25180, 42806, 46583, 85612, 93166, 107015, 186332, 214030, 232915, 428060, 465830, 791911, 931660, 1583822, 3167644, 3959555, 7919110, 15838220]

約数ペア:

[(1, 15838220), (2, 7919110), (4, 3959555), (5, 3167644), (10, 1583822), (17, 931660), (20, 791911), (34, 465830), (37, 428060), (68, 232915), (74, 214030), (85, 186332), (148, 107015), (170, 93166), (185, 85612), (340, 46583), (370, 42806), (629, 25180), (740, 21403), (1258, 12590), (1259, 12580), (2516, 6295), (2518, 6290), (3145, 5036)]