31136240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 75938592

約数和(自身を除く): 44802352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 67, 74, 80, 134, 148, 157, 185, 268, 296, 314, 335, 370, 536, 592, 628, 670, 740, 785, 1072, 1256, 1340, 1480, 1570, 2479, 2512, 2680, 2960, 3140, 4958, 5360, 5809, 6280, 9916, 10519, 11618, 12395, 12560, 19832, 21038, 23236, 24790, 29045, 39664, 42076, 46472, 49580, 52595, 58090, 84152, 92944, 99160, 105190, 116180, 168304, 198320, 210380, 232360, 389203, 420760, 464720, 778406, 841520, 1556812, 1946015, 3113624, 3892030, 6227248, 7784060, 15568120, 31136240]

約数ペア:

[(1, 31136240), (2, 15568120), (4, 7784060), (5, 6227248), (8, 3892030), (10, 3113624), (16, 1946015), (20, 1556812), (37, 841520), (40, 778406), (67, 464720), (74, 420760), (80, 389203), (134, 232360), (148, 210380), (157, 198320), (185, 168304), (268, 116180), (296, 105190), (314, 99160), (335, 92944), (370, 84152), (536, 58090), (592, 52595), (628, 49580), (670, 46472), (740, 42076), (785, 39664), (1072, 29045), (1256, 24790), (1340, 23236), (1480, 21038), (1570, 19832), (2479, 12560), (2512, 12395), (2680, 11618), (2960, 10519), (3140, 9916), (4958, 6280), (5360, 5809)]