2161545260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{2251}}^1$

素因数の和:2324

約数の個数: 96

約数和(自身を含む): 5478305280

約数和(自身を除く): 3316760020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1805, 2251, 2527, 2660, 3610, 4502, 5054, 6859, 7220, 9004, 10108, 11255, 12635, 13718, 15757, 22510, 25270, 27436, 31514, 34295, 42769, 45020, 48013, 50540, 63028, 68590, 78785, 85538, 96026, 137180, 157570, 171076, 192052, 213845, 240065, 299383, 315140, 427690, 480130, 598766, 812611, 855380, 960260, 1197532, 1496915, 1625222, 2993830, 3250444, 4063055, 5688277, 5987660, 8126110, 11376554, 15439609, 16252220, 22753108, 28441385, 30879218, 56882770, 61758436, 77198045, 108077263, 113765540, 154396090, 216154526, 308792180, 432309052, 540386315, 1080772630, 2161545260]

約数ペア:

[(1, 2161545260), (2, 1080772630), (4, 540386315), (5, 432309052), (7, 308792180), (10, 216154526), (14, 154396090), (19, 113765540), (20, 108077263), (28, 77198045), (35, 61758436), (38, 56882770), (70, 30879218), (76, 28441385), (95, 22753108), (133, 16252220), (140, 15439609), (190, 11376554), (266, 8126110), (361, 5987660), (380, 5688277), (532, 4063055), (665, 3250444), (722, 2993830), (1330, 1625222), (1444, 1496915), (1805, 1197532), (2251, 960260), (2527, 855380), (2660, 812611), (3610, 598766), (4502, 480130), (5054, 427690), (6859, 315140), (7220, 299383), (9004, 240065), (10108, 213845), (11255, 192052), (12635, 171076), (13718, 157570), (15757, 137180), (22510, 96026), (25270, 85538), (27436, 78785), (31514, 68590), (34295, 63028), (42769, 50540), (45020, 48013)]