18267414640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{67577}}^1$

素因数の和:67730

約数の個数: 80

約数和(自身を含む): 44244668160

約数和(自身を除く): 25977253520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 109, 124, 155, 218, 248, 310, 436, 496, 545, 620, 872, 1090, 1240, 1744, 2180, 2480, 3379, 4360, 6758, 8720, 13516, 16895, 27032, 33790, 54064, 67577, 67580, 135154, 135160, 270308, 270320, 337885, 540616, 675770, 1081232, 1351540, 2094887, 2703080, 4189774, 5406160, 7365893, 8379548, 10474435, 14731786, 16759096, 20948870, 29463572, 33518192, 36829465, 41897740, 58927144, 73658930, 83795480, 117854288, 147317860, 167590960, 228342683, 294635720, 456685366, 589271440, 913370732, 1141713415, 1826741464, 2283426830, 3653482928, 4566853660, 9133707320, 18267414640]

約数ペア:

[(1, 18267414640), (2, 9133707320), (4, 4566853660), (5, 3653482928), (8, 2283426830), (10, 1826741464), (16, 1141713415), (20, 913370732), (31, 589271440), (40, 456685366), (62, 294635720), (80, 228342683), (109, 167590960), (124, 147317860), (155, 117854288), (218, 83795480), (248, 73658930), (310, 58927144), (436, 41897740), (496, 36829465), (545, 33518192), (620, 29463572), (872, 20948870), (1090, 16759096), (1240, 14731786), (1744, 10474435), (2180, 8379548), (2480, 7365893), (3379, 5406160), (4360, 4189774), (6758, 2703080), (8720, 2094887), (13516, 1351540), (16895, 1081232), (27032, 675770), (33790, 540616), (54064, 337885), (67577, 270320), (67580, 270308), (135154, 135160)]