331365760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^3\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 873568800

約数和(自身を除く): 542203040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 389, 440, 484, 605, 640, 704, 778, 880, 968, 1210, 1331, 1408, 1556, 1760, 1936, 1945, 2420, 2662, 3112, 3520, 3872, 3890, 4279, 4840, 5324, 6224, 6655, 7040, 7744, 7780, 8558, 9680, 10648, 12448, 13310, 15488, 15560, 17116, 19360, 21296, 21395, 24896, 26620, 31120, 34232, 38720, 42592, 42790, 47069, 49792, 53240, 62240, 68464, 77440, 85184, 85580, 94138, 106480, 124480, 136928, 170368, 171160, 188276, 212960, 235345, 248960, 273856, 342320, 376552, 425920, 470690, 517759, 547712, 684640, 753104, 851840, 941380, 1035518, 1369280, 1506208, 1882760, 2071036, 2588795, 2738560, 3012416, 3765520, 4142072, 5177590, 6024832, 7531040, 8284144, 10355180, 15062080, 16568288, 20710360, 30124160, 33136576, 41420720, 66273152, 82841440, 165682880, 331365760]

約数ペア:

[(1, 331365760), (2, 165682880), (4, 82841440), (5, 66273152), (8, 41420720), (10, 33136576), (11, 30124160), (16, 20710360), (20, 16568288), (22, 15062080), (32, 10355180), (40, 8284144), (44, 7531040), (55, 6024832), (64, 5177590), (80, 4142072), (88, 3765520), (110, 3012416), (121, 2738560), (128, 2588795), (160, 2071036), (176, 1882760), (220, 1506208), (242, 1369280), (320, 1035518), (352, 941380), (389, 851840), (440, 753104), (484, 684640), (605, 547712), (640, 517759), (704, 470690), (778, 425920), (880, 376552), (968, 342320), (1210, 273856), (1331, 248960), (1408, 235345), (1556, 212960), (1760, 188276), (1936, 171160), (1945, 170368), (2420, 136928), (2662, 124480), (3112, 106480), (3520, 94138), (3872, 85580), (3890, 85184), (4279, 77440), (4840, 68464), (5324, 62240), (6224, 53240), (6655, 49792), (7040, 47069), (7744, 42790), (7780, 42592), (8558, 38720), (9680, 34232), (10648, 31120), (12448, 26620), (13310, 24896), (15488, 21395), (15560, 21296), (17116, 19360)]