205696080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2749

約数の個数: 120

約数和(自身を含む): 697399560

約数和(自身を除く): 491703480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1308, 1635, 1744, 1962, 2180, 2616, 2621, 3270, 3924, 4360, 4905, 5232, 5242, 6540, 7848, 7863, 8720, 9810, 10484, 13080, 13105, 15696, 15726, 19620, 20968, 23589, 26160, 26210, 31452, 39240, 39315, 41936, 47178, 52420, 62904, 78480, 78630, 94356, 104840, 117945, 125808, 157260, 188712, 209680, 235890, 285689, 314520, 377424, 471780, 571378, 629040, 857067, 943560, 1142756, 1428445, 1714134, 1887120, 2285512, 2571201, 2856890, 3428268, 4285335, 4571024, 5142402, 5713780, 6856536, 8570670, 10284804, 11427560, 12856005, 13713072, 17141340, 20569608, 22855120, 25712010, 34282680, 41139216, 51424020, 68565360, 102848040, 205696080]

約数ペア:

[(1, 205696080), (2, 102848040), (3, 68565360), (4, 51424020), (5, 41139216), (6, 34282680), (8, 25712010), (9, 22855120), (10, 20569608), (12, 17141340), (15, 13713072), (16, 12856005), (18, 11427560), (20, 10284804), (24, 8570670), (30, 6856536), (36, 5713780), (40, 5142402), (45, 4571024), (48, 4285335), (60, 3428268), (72, 2856890), (80, 2571201), (90, 2285512), (109, 1887120), (120, 1714134), (144, 1428445), (180, 1142756), (218, 943560), (240, 857067), (327, 629040), (360, 571378), (436, 471780), (545, 377424), (654, 314520), (720, 285689), (872, 235890), (981, 209680), (1090, 188712), (1308, 157260), (1635, 125808), (1744, 117945), (1962, 104840), (2180, 94356), (2616, 78630), (2621, 78480), (3270, 62904), (3924, 52420), (4360, 47178), (4905, 41936), (5232, 39315), (5242, 39240), (6540, 31452), (7848, 26210), (7863, 26160), (8720, 23589), (9810, 20968), (10484, 19620), (13080, 15726), (13105, 15696)]