7884540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 25694592

約数和(自身を除く): 17810052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 157, 162, 180, 186, 270, 279, 310, 314, 324, 372, 405, 465, 471, 540, 558, 620, 628, 785, 810, 837, 930, 942, 1116, 1395, 1413, 1570, 1620, 1674, 1860, 1884, 2355, 2511, 2790, 2826, 3140, 3348, 4185, 4239, 4710, 4867, 5022, 5580, 5652, 7065, 8370, 8478, 9420, 9734, 10044, 12555, 12717, 14130, 14601, 16740, 16956, 19468, 21195, 24335, 25110, 25434, 28260, 29202, 42390, 43803, 48670, 50220, 50868, 58404, 63585, 73005, 84780, 87606, 97340, 127170, 131409, 146010, 175212, 219015, 254340, 262818, 292020, 394227, 438030, 525636, 657045, 788454, 876060, 1314090, 1576908, 1971135, 2628180, 3942270, 7884540]

約数ペア:

[(1, 7884540), (2, 3942270), (3, 2628180), (4, 1971135), (5, 1576908), (6, 1314090), (9, 876060), (10, 788454), (12, 657045), (15, 525636), (18, 438030), (20, 394227), (27, 292020), (30, 262818), (31, 254340), (36, 219015), (45, 175212), (54, 146010), (60, 131409), (62, 127170), (81, 97340), (90, 87606), (93, 84780), (108, 73005), (124, 63585), (135, 58404), (155, 50868), (157, 50220), (162, 48670), (180, 43803), (186, 42390), (270, 29202), (279, 28260), (310, 25434), (314, 25110), (324, 24335), (372, 21195), (405, 19468), (465, 16956), (471, 16740), (540, 14601), (558, 14130), (620, 12717), (628, 12555), (785, 10044), (810, 9734), (837, 9420), (930, 8478), (942, 8370), (1116, 7065), (1395, 5652), (1413, 5580), (1570, 5022), (1620, 4867), (1674, 4710), (1860, 4239), (1884, 4185), (2355, 3348), (2511, 3140), (2790, 2826)]