197481840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7549}}^1$

素因数の和:7674

約数の個数: 80

約数和(自身を含む): 617892000

約数和(自身を除く): 420410160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 7549, 8720, 13080, 15098, 22647, 26160, 30196, 37745, 45294, 60392, 75490, 90588, 113235, 120784, 150980, 181176, 226470, 301960, 362352, 452940, 603920, 822841, 905880, 1645682, 1811760, 2468523, 3291364, 4114205, 4937046, 6582728, 8228410, 9874092, 12342615, 13165456, 16456820, 19748184, 24685230, 32913640, 39496368, 49370460, 65827280, 98740920, 197481840]

約数ペア:

[(1, 197481840), (2, 98740920), (3, 65827280), (4, 49370460), (5, 39496368), (6, 32913640), (8, 24685230), (10, 19748184), (12, 16456820), (15, 13165456), (16, 12342615), (20, 9874092), (24, 8228410), (30, 6582728), (40, 4937046), (48, 4114205), (60, 3291364), (80, 2468523), (109, 1811760), (120, 1645682), (218, 905880), (240, 822841), (327, 603920), (436, 452940), (545, 362352), (654, 301960), (872, 226470), (1090, 181176), (1308, 150980), (1635, 120784), (1744, 113235), (2180, 90588), (2616, 75490), (3270, 60392), (4360, 45294), (5232, 37745), (6540, 30196), (7549, 26160), (8720, 22647), (13080, 15098)]