19301520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11489}}^1$

素因数の和:11512

約数の個数: 80

約数和(自身を含む): 68388480

約数和(自身を除く): 49086960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11489, 22978, 34467, 45956, 57445, 68934, 80423, 91912, 114890, 137868, 160846, 172335, 183824, 229780, 241269, 275736, 321692, 344670, 402115, 459560, 482538, 551472, 643384, 689340, 804230, 919120, 965076, 1206345, 1286768, 1378680, 1608460, 1930152, 2412690, 2757360, 3216920, 3860304, 4825380, 6433840, 9650760, 19301520]

約数ペア:

[(1, 19301520), (2, 9650760), (3, 6433840), (4, 4825380), (5, 3860304), (6, 3216920), (7, 2757360), (8, 2412690), (10, 1930152), (12, 1608460), (14, 1378680), (15, 1286768), (16, 1206345), (20, 965076), (21, 919120), (24, 804230), (28, 689340), (30, 643384), (35, 551472), (40, 482538), (42, 459560), (48, 402115), (56, 344670), (60, 321692), (70, 275736), (80, 241269), (84, 229780), (105, 183824), (112, 172335), (120, 160846), (140, 137868), (168, 114890), (210, 91912), (240, 80423), (280, 68934), (336, 57445), (420, 45956), (560, 34467), (840, 22978), (1680, 11489)]