18759653920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1063}}^1\times {\mathrm{2251}}^1$

素因数の和:3343

約数の個数: 144

約数和(自身を含む): 51626973888

約数和(自身を除く): 32867319968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1063, 1120, 1568, 1960, 2126, 2251, 3920, 4252, 4502, 5315, 7441, 7840, 8504, 9004, 10630, 11255, 14882, 15757, 17008, 18008, 21260, 22510, 29764, 31514, 34016, 36016, 37205, 42520, 45020, 52087, 59528, 63028, 72032, 74410, 78785, 85040, 90040, 104174, 110299, 119056, 126056, 148820, 157570, 170080, 180080, 208348, 220598, 238112, 252112, 260435, 297640, 315140, 360160, 416696, 441196, 504224, 520870, 551495, 595280, 630280, 833392, 882392, 1041740, 1102990, 1190560, 1260560, 1666784, 1764784, 2083480, 2205980, 2392813, 2521120, 3529568, 4166960, 4411960, 4785626, 8333920, 8823920, 9571252, 11964065, 16749691, 17647840, 19142504, 23928130, 33499382, 38285008, 47856260, 66998764, 76570016, 83748455, 95712520, 117247837, 133997528, 167496910, 191425040, 234495674, 267995056, 334993820, 382850080, 468991348, 535990112, 586239185, 669987640, 937982696, 1172478370, 1339975280, 1875965392, 2344956740, 2679950560, 3751930784, 4689913480, 9379826960, 18759653920]

約数ペア:

[(1, 18759653920), (2, 9379826960), (4, 4689913480), (5, 3751930784), (7, 2679950560), (8, 2344956740), (10, 1875965392), (14, 1339975280), (16, 1172478370), (20, 937982696), (28, 669987640), (32, 586239185), (35, 535990112), (40, 468991348), (49, 382850080), (56, 334993820), (70, 267995056), (80, 234495674), (98, 191425040), (112, 167496910), (140, 133997528), (160, 117247837), (196, 95712520), (224, 83748455), (245, 76570016), (280, 66998764), (392, 47856260), (490, 38285008), (560, 33499382), (784, 23928130), (980, 19142504), (1063, 17647840), (1120, 16749691), (1568, 11964065), (1960, 9571252), (2126, 8823920), (2251, 8333920), (3920, 4785626), (4252, 4411960), (4502, 4166960), (5315, 3529568), (7441, 2521120), (7840, 2392813), (8504, 2205980), (9004, 2083480), (10630, 1764784), (11255, 1666784), (14882, 1260560), (15757, 1190560), (17008, 1102990), (18008, 1041740), (21260, 882392), (22510, 833392), (29764, 630280), (31514, 595280), (34016, 551495), (36016, 520870), (37205, 504224), (42520, 441196), (45020, 416696), (52087, 360160), (59528, 315140), (63028, 297640), (72032, 260435), (74410, 252112), (78785, 238112), (85040, 220598), (90040, 208348), (104174, 180080), (110299, 170080), (119056, 157570), (126056, 148820)]