261102160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1103}}^1$

素因数の和:1396

約数の個数: 80

約数和(自身を含む): 665314560

約数和(自身を除く): 404212400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 269, 440, 538, 880, 1076, 1103, 1345, 2152, 2206, 2690, 2959, 4304, 4412, 5380, 5515, 5918, 8824, 10760, 11030, 11836, 12133, 14795, 17648, 21520, 22060, 23672, 24266, 29590, 44120, 47344, 48532, 59180, 60665, 88240, 97064, 118360, 121330, 194128, 236720, 242660, 296707, 485320, 593414, 970640, 1186828, 1483535, 2373656, 2967070, 3263777, 4747312, 5934140, 6527554, 11868280, 13055108, 16318885, 23736560, 26110216, 32637770, 52220432, 65275540, 130551080, 261102160]

約数ペア:

[(1, 261102160), (2, 130551080), (4, 65275540), (5, 52220432), (8, 32637770), (10, 26110216), (11, 23736560), (16, 16318885), (20, 13055108), (22, 11868280), (40, 6527554), (44, 5934140), (55, 4747312), (80, 3263777), (88, 2967070), (110, 2373656), (176, 1483535), (220, 1186828), (269, 970640), (440, 593414), (538, 485320), (880, 296707), (1076, 242660), (1103, 236720), (1345, 194128), (2152, 121330), (2206, 118360), (2690, 97064), (2959, 88240), (4304, 60665), (4412, 59180), (5380, 48532), (5515, 47344), (5918, 44120), (8824, 29590), (10760, 24266), (11030, 23672), (11836, 22060), (12133, 21520), (14795, 17648)]