81991200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 144

約数和(自身を含む): 269982720

約数和(自身を除く): 187991520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 127, 150, 160, 200, 240, 254, 269, 300, 381, 400, 480, 508, 538, 600, 635, 762, 800, 807, 1016, 1076, 1200, 1270, 1345, 1524, 1614, 1905, 2032, 2152, 2400, 2540, 2690, 3048, 3175, 3228, 3810, 4035, 4064, 4304, 5080, 5380, 6096, 6350, 6456, 6725, 7620, 8070, 8608, 9525, 10160, 10760, 12192, 12700, 12912, 13450, 15240, 16140, 19050, 20175, 20320, 21520, 25400, 25824, 26900, 30480, 32280, 34163, 38100, 40350, 43040, 50800, 53800, 60960, 64560, 68326, 76200, 80700, 101600, 102489, 107600, 129120, 136652, 152400, 161400, 170815, 204978, 215200, 273304, 304800, 322800, 341630, 409956, 512445, 546608, 645600, 683260, 819912, 854075, 1024890, 1093216, 1366520, 1639824, 1708150, 2049780, 2562225, 2733040, 3279648, 3416300, 4099560, 5124450, 5466080, 6832600, 8199120, 10248900, 13665200, 16398240, 20497800, 27330400, 40995600, 81991200]

約数ペア:

[(1, 81991200), (2, 40995600), (3, 27330400), (4, 20497800), (5, 16398240), (6, 13665200), (8, 10248900), (10, 8199120), (12, 6832600), (15, 5466080), (16, 5124450), (20, 4099560), (24, 3416300), (25, 3279648), (30, 2733040), (32, 2562225), (40, 2049780), (48, 1708150), (50, 1639824), (60, 1366520), (75, 1093216), (80, 1024890), (96, 854075), (100, 819912), (120, 683260), (127, 645600), (150, 546608), (160, 512445), (200, 409956), (240, 341630), (254, 322800), (269, 304800), (300, 273304), (381, 215200), (400, 204978), (480, 170815), (508, 161400), (538, 152400), (600, 136652), (635, 129120), (762, 107600), (800, 102489), (807, 101600), (1016, 80700), (1076, 76200), (1200, 68326), (1270, 64560), (1345, 60960), (1524, 53800), (1614, 50800), (1905, 43040), (2032, 40350), (2152, 38100), (2400, 34163), (2540, 32280), (2690, 30480), (3048, 26900), (3175, 25824), (3228, 25400), (3810, 21520), (4035, 20320), (4064, 20175), (4304, 19050), (5080, 16140), (5380, 15240), (6096, 13450), (6350, 12912), (6456, 12700), (6725, 12192), (7620, 10760), (8070, 10160), (8608, 9525)]