28768680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 94278600

約数和(自身を除く): 65509920

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, 509, 628, 785, 942, 1018, 1256, 1413, 1527, 1570, 1884, 2036, 2355, 2545, 2826, 3054, 3140, 3768, 4072, 4581, 4710, 5090, 5652, 6108, 6280, 7065, 7635, 9162, 9420, 10180, 11304, 12216, 14130, 15270, 18324, 18840, 20360, 22905, 28260, 30540, 36648, 45810, 56520, 61080, 79913, 91620, 159826, 183240, 239739, 319652, 399565, 479478, 639304, 719217, 799130, 958956, 1198695, 1438434, 1598260, 1917912, 2397390, 2876868, 3196520, 3596085, 4794780, 5753736, 7192170, 9589560, 14384340, 28768680]

約数ペア:

[(1, 28768680), (2, 14384340), (3, 9589560), (4, 7192170), (5, 5753736), (6, 4794780), (8, 3596085), (9, 3196520), (10, 2876868), (12, 2397390), (15, 1917912), (18, 1598260), (20, 1438434), (24, 1198695), (30, 958956), (36, 799130), (40, 719217), (45, 639304), (60, 479478), (72, 399565), (90, 319652), (120, 239739), (157, 183240), (180, 159826), (314, 91620), (360, 79913), (471, 61080), (509, 56520), (628, 45810), (785, 36648), (942, 30540), (1018, 28260), (1256, 22905), (1413, 20360), (1527, 18840), (1570, 18324), (1884, 15270), (2036, 14130), (2355, 12216), (2545, 11304), (2826, 10180), (3054, 9420), (3140, 9162), (3768, 7635), (4072, 7065), (4581, 6280), (4710, 6108), (5090, 5652)]