9205740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 28173600

約数和(自身を除く): 18967860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 257, 398, 514, 597, 771, 796, 995, 1028, 1194, 1285, 1542, 1791, 1990, 2313, 2388, 2570, 2985, 3084, 3582, 3855, 3980, 4626, 5140, 5970, 7164, 7710, 8955, 9252, 11565, 11940, 15420, 17910, 23130, 35820, 46260, 51143, 102286, 153429, 204572, 255715, 306858, 460287, 511430, 613716, 767145, 920574, 1022860, 1534290, 1841148, 2301435, 3068580, 4602870, 9205740]

約数ペア:

[(1, 9205740), (2, 4602870), (3, 3068580), (4, 2301435), (5, 1841148), (6, 1534290), (9, 1022860), (10, 920574), (12, 767145), (15, 613716), (18, 511430), (20, 460287), (30, 306858), (36, 255715), (45, 204572), (60, 153429), (90, 102286), (180, 51143), (199, 46260), (257, 35820), (398, 23130), (514, 17910), (597, 15420), (771, 11940), (796, 11565), (995, 9252), (1028, 8955), (1194, 7710), (1285, 7164), (1542, 5970), (1791, 5140), (1990, 4626), (2313, 3980), (2388, 3855), (2570, 3582), (2985, 3084)]