82768840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{349}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 238801500

約数和(自身を除く): 156032660

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 242, 245, 280, 308, 349, 385, 392, 440, 484, 490, 539, 605, 616, 698, 770, 847, 968, 980, 1078, 1210, 1396, 1540, 1694, 1745, 1960, 2156, 2420, 2443, 2695, 2792, 3080, 3388, 3490, 3839, 4235, 4312, 4840, 4886, 5390, 5929, 6776, 6980, 7678, 8470, 9772, 10780, 11858, 12215, 13960, 15356, 16940, 17101, 19195, 19544, 21560, 23716, 24430, 26873, 29645, 30712, 33880, 34202, 38390, 42229, 47432, 48860, 53746, 59290, 68404, 76780, 84458, 85505, 97720, 107492, 118580, 134365, 136808, 153560, 168916, 171010, 188111, 211145, 214984, 237160, 268730, 295603, 337832, 342020, 376222, 422290, 537460, 591206, 684040, 752444, 844580, 940555, 1074920, 1182412, 1478015, 1504888, 1689160, 1881110, 2069221, 2364824, 2956030, 3762220, 4138442, 5912060, 7524440, 8276884, 10346105, 11824120, 16553768, 20692210, 41384420, 82768840]

約数ペア:

[(1, 82768840), (2, 41384420), (4, 20692210), (5, 16553768), (7, 11824120), (8, 10346105), (10, 8276884), (11, 7524440), (14, 5912060), (20, 4138442), (22, 3762220), (28, 2956030), (35, 2364824), (40, 2069221), (44, 1881110), (49, 1689160), (55, 1504888), (56, 1478015), (70, 1182412), (77, 1074920), (88, 940555), (98, 844580), (110, 752444), (121, 684040), (140, 591206), (154, 537460), (196, 422290), (220, 376222), (242, 342020), (245, 337832), (280, 295603), (308, 268730), (349, 237160), (385, 214984), (392, 211145), (440, 188111), (484, 171010), (490, 168916), (539, 153560), (605, 136808), (616, 134365), (698, 118580), (770, 107492), (847, 97720), (968, 85505), (980, 84458), (1078, 76780), (1210, 68404), (1396, 59290), (1540, 53746), (1694, 48860), (1745, 47432), (1960, 42229), (2156, 38390), (2420, 34202), (2443, 33880), (2695, 30712), (2792, 29645), (3080, 26873), (3388, 24430), (3490, 23716), (3839, 21560), (4235, 19544), (4312, 19195), (4840, 17101), (4886, 16940), (5390, 15356), (5929, 13960), (6776, 12215), (6980, 11858), (7678, 10780), (8470, 9772)]