638996826040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{122027}}^1$

素因数の和:122213

約数の個数: 128

約数和(自身を含む): 1535092715520

約数和(自身を除く): 896095889480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 103, 124, 155, 164, 205, 206, 248, 310, 328, 410, 412, 515, 620, 820, 824, 1030, 1240, 1271, 1640, 2060, 2542, 3193, 4120, 4223, 5084, 6355, 6386, 8446, 10168, 12710, 12772, 15965, 16892, 21115, 25420, 25544, 31930, 33784, 42230, 50840, 63860, 84460, 122027, 127720, 130913, 168920, 244054, 261826, 488108, 523652, 610135, 654565, 976216, 1047304, 1220270, 1309130, 2440540, 2618260, 3782837, 4881080, 5003107, 5236520, 7565674, 10006214, 12568781, 15131348, 18914185, 20012428, 25015535, 25137562, 30262696, 37828370, 40024856, 50031070, 50275124, 62843905, 75656740, 100062140, 100550248, 125687810, 151313480, 155096317, 200124280, 251375620, 310192634, 389632211, 502751240, 515320021, 620385268, 775481585, 779264422, 1030640042, 1240770536, 1550963170, 1558528844, 1948161055, 2061280084, 2576600105, 3101926340, 3117057688, 3896322110, 4122560168, 5153200210, 6203852680, 7792644220, 10306400420, 15585288440, 15974920651, 20612800840, 31949841302, 63899682604, 79874603255, 127799365208, 159749206510, 319498413020, 638996826040]

約数ペア:

[(1, 638996826040), (2, 319498413020), (4, 159749206510), (5, 127799365208), (8, 79874603255), (10, 63899682604), (20, 31949841302), (31, 20612800840), (40, 15974920651), (41, 15585288440), (62, 10306400420), (82, 7792644220), (103, 6203852680), (124, 5153200210), (155, 4122560168), (164, 3896322110), (205, 3117057688), (206, 3101926340), (248, 2576600105), (310, 2061280084), (328, 1948161055), (410, 1558528844), (412, 1550963170), (515, 1240770536), (620, 1030640042), (820, 779264422), (824, 775481585), (1030, 620385268), (1240, 515320021), (1271, 502751240), (1640, 389632211), (2060, 310192634), (2542, 251375620), (3193, 200124280), (4120, 155096317), (4223, 151313480), (5084, 125687810), (6355, 100550248), (6386, 100062140), (8446, 75656740), (10168, 62843905), (12710, 50275124), (12772, 50031070), (15965, 40024856), (16892, 37828370), (21115, 30262696), (25420, 25137562), (25544, 25015535), (31930, 20012428), (33784, 18914185), (42230, 15131348), (50840, 12568781), (63860, 10006214), (84460, 7565674), (122027, 5236520), (127720, 5003107), (130913, 4881080), (168920, 3782837), (244054, 2618260), (261826, 2440540), (488108, 1309130), (523652, 1220270), (610135, 1047304), (654565, 976216)]