1216140840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21517}}^1$

素因数の和:21691

約数の個数: 96

約数和(自身を含む): 3977817480

約数和(自身を除く): 2761676640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 360, 471, 628, 785, 942, 1256, 1413, 1570, 1884, 2355, 2826, 3140, 3768, 4710, 5652, 6280, 7065, 9420, 11304, 14130, 18840, 21517, 28260, 43034, 56520, 64551, 86068, 107585, 129102, 172136, 193653, 215170, 258204, 322755, 387306, 430340, 516408, 645510, 774612, 860680, 968265, 1291020, 1549224, 1936530, 2582040, 3378169, 3873060, 6756338, 7746120, 10134507, 13512676, 16890845, 20269014, 27025352, 30403521, 33781690, 40538028, 50672535, 60807042, 67563380, 81076056, 101345070, 121614084, 135126760, 152017605, 202690140, 243228168, 304035210, 405380280, 608070420, 1216140840]

約数ペア:

[(1, 1216140840), (2, 608070420), (3, 405380280), (4, 304035210), (5, 243228168), (6, 202690140), (8, 152017605), (9, 135126760), (10, 121614084), (12, 101345070), (15, 81076056), (18, 67563380), (20, 60807042), (24, 50672535), (30, 40538028), (36, 33781690), (40, 30403521), (45, 27025352), (60, 20269014), (72, 16890845), (90, 13512676), (120, 10134507), (157, 7746120), (180, 6756338), (314, 3873060), (360, 3378169), (471, 2582040), (628, 1936530), (785, 1549224), (942, 1291020), (1256, 968265), (1413, 860680), (1570, 774612), (1884, 645510), (2355, 516408), (2826, 430340), (3140, 387306), (3768, 322755), (4710, 258204), (5652, 215170), (6280, 193653), (7065, 172136), (9420, 129102), (11304, 107585), (14130, 86068), (18840, 64551), (21517, 56520), (28260, 43034)]