128304648

素因数分解:

$2^3\times 3^4\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 361003500

約数和(自身を除く): 232698852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 389, 509, 648, 778, 1018, 1167, 1527, 1556, 2036, 2334, 3054, 3112, 3501, 4072, 4581, 4668, 6108, 7002, 9162, 9336, 10503, 12216, 13743, 14004, 18324, 21006, 27486, 28008, 31509, 36648, 41229, 42012, 54972, 63018, 82458, 84024, 109944, 126036, 164916, 198001, 252072, 329832, 396002, 594003, 792004, 1188006, 1584008, 1782009, 2376012, 3564018, 4752024, 5346027, 7128036, 10692054, 14256072, 16038081, 21384108, 32076162, 42768216, 64152324, 128304648]

約数ペア:

[(1, 128304648), (2, 64152324), (3, 42768216), (4, 32076162), (6, 21384108), (8, 16038081), (9, 14256072), (12, 10692054), (18, 7128036), (24, 5346027), (27, 4752024), (36, 3564018), (54, 2376012), (72, 1782009), (81, 1584008), (108, 1188006), (162, 792004), (216, 594003), (324, 396002), (389, 329832), (509, 252072), (648, 198001), (778, 164916), (1018, 126036), (1167, 109944), (1527, 84024), (1556, 82458), (2036, 63018), (2334, 54972), (3054, 42012), (3112, 41229), (3501, 36648), (4072, 31509), (4581, 28008), (4668, 27486), (6108, 21006), (7002, 18324), (9162, 14004), (9336, 13743), (10503, 12216)]