266867920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1505

約数の個数: 120

約数和(自身を含む): 718391520

約数和(自身を除く): 451523600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 176, 190, 209, 220, 242, 304, 380, 418, 440, 484, 605, 760, 836, 880, 968, 1045, 1210, 1451, 1520, 1672, 1936, 2090, 2299, 2420, 2902, 3344, 4180, 4598, 4840, 5804, 7255, 8360, 9196, 9680, 11495, 11608, 14510, 15961, 16720, 18392, 22990, 23216, 27569, 29020, 31922, 36784, 45980, 55138, 58040, 63844, 79805, 91960, 110276, 116080, 127688, 137845, 159610, 175571, 183920, 220552, 255376, 275690, 303259, 319220, 351142, 441104, 551380, 606518, 638440, 702284, 877855, 1102760, 1213036, 1276880, 1404568, 1516295, 1755710, 2205520, 2426072, 2809136, 3032590, 3335849, 3511420, 4852144, 6065180, 6671698, 7022840, 12130360, 13343396, 14045680, 16679245, 24260720, 26686792, 33358490, 53373584, 66716980, 133433960, 266867920]

約数ペア:

[(1, 266867920), (2, 133433960), (4, 66716980), (5, 53373584), (8, 33358490), (10, 26686792), (11, 24260720), (16, 16679245), (19, 14045680), (20, 13343396), (22, 12130360), (38, 7022840), (40, 6671698), (44, 6065180), (55, 4852144), (76, 3511420), (80, 3335849), (88, 3032590), (95, 2809136), (110, 2426072), (121, 2205520), (152, 1755710), (176, 1516295), (190, 1404568), (209, 1276880), (220, 1213036), (242, 1102760), (304, 877855), (380, 702284), (418, 638440), (440, 606518), (484, 551380), (605, 441104), (760, 351142), (836, 319220), (880, 303259), (968, 275690), (1045, 255376), (1210, 220552), (1451, 183920), (1520, 175571), (1672, 159610), (1936, 137845), (2090, 127688), (2299, 116080), (2420, 110276), (2902, 91960), (3344, 79805), (4180, 63844), (4598, 58040), (4840, 55138), (5804, 45980), (7255, 36784), (8360, 31922), (9196, 29020), (9680, 27569), (11495, 23216), (11608, 22990), (14510, 18392), (15961, 16720)]