18651960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 61158240

約数和(自身を除く): 42506280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 197, 263, 360, 394, 526, 591, 788, 789, 985, 1052, 1182, 1315, 1576, 1578, 1773, 1970, 2104, 2364, 2367, 2630, 2955, 3156, 3546, 3940, 3945, 4728, 4734, 5260, 5910, 6312, 7092, 7880, 7890, 8865, 9468, 10520, 11820, 11835, 14184, 15780, 17730, 18936, 23640, 23670, 31560, 35460, 47340, 51811, 70920, 94680, 103622, 155433, 207244, 259055, 310866, 414488, 466299, 518110, 621732, 777165, 932598, 1036220, 1243464, 1554330, 1865196, 2072440, 2331495, 3108660, 3730392, 4662990, 6217320, 9325980, 18651960]

約数ペア:

[(1, 18651960), (2, 9325980), (3, 6217320), (4, 4662990), (5, 3730392), (6, 3108660), (8, 2331495), (9, 2072440), (10, 1865196), (12, 1554330), (15, 1243464), (18, 1036220), (20, 932598), (24, 777165), (30, 621732), (36, 518110), (40, 466299), (45, 414488), (60, 310866), (72, 259055), (90, 207244), (120, 155433), (180, 103622), (197, 94680), (263, 70920), (360, 51811), (394, 47340), (526, 35460), (591, 31560), (788, 23670), (789, 23640), (985, 18936), (1052, 17730), (1182, 15780), (1315, 14184), (1576, 11835), (1578, 11820), (1773, 10520), (1970, 9468), (2104, 8865), (2364, 7890), (2367, 7880), (2630, 7092), (2955, 6312), (3156, 5910), (3546, 5260), (3940, 4734), (3945, 4728)]