1920520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^3$

素因数の和:75

約数の個数: 64

約数和(自身を含む): 5212800

約数和(自身を除く): 3292280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 361, 380, 532, 665, 722, 760, 1064, 1330, 1444, 1805, 2527, 2660, 2888, 3610, 5054, 5320, 6859, 7220, 10108, 12635, 13718, 14440, 20216, 25270, 27436, 34295, 48013, 50540, 54872, 68590, 96026, 101080, 137180, 192052, 240065, 274360, 384104, 480130, 960260, 1920520]

約数ペア:

[(1, 1920520), (2, 960260), (4, 480130), (5, 384104), (7, 274360), (8, 240065), (10, 192052), (14, 137180), (19, 101080), (20, 96026), (28, 68590), (35, 54872), (38, 50540), (40, 48013), (56, 34295), (70, 27436), (76, 25270), (95, 20216), (133, 14440), (140, 13718), (152, 12635), (190, 10108), (266, 7220), (280, 6859), (361, 5320), (380, 5054), (532, 3610), (665, 2888), (722, 2660), (760, 2527), (1064, 1805), (1330, 1444)]