12180060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:603

約数の個数: 72

約数和(自身を含む): 37267776

約数和(自身を除く): 25087716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 431, 471, 628, 785, 862, 942, 1293, 1413, 1570, 1724, 1884, 2155, 2355, 2586, 2826, 3140, 3879, 4310, 4710, 5172, 5652, 6465, 7065, 7758, 8620, 9420, 12930, 14130, 15516, 19395, 25860, 28260, 38790, 67667, 77580, 135334, 203001, 270668, 338335, 406002, 609003, 676670, 812004, 1015005, 1218006, 1353340, 2030010, 2436012, 3045015, 4060020, 6090030, 12180060]

約数ペア:

[(1, 12180060), (2, 6090030), (3, 4060020), (4, 3045015), (5, 2436012), (6, 2030010), (9, 1353340), (10, 1218006), (12, 1015005), (15, 812004), (18, 676670), (20, 609003), (30, 406002), (36, 338335), (45, 270668), (60, 203001), (90, 135334), (157, 77580), (180, 67667), (314, 38790), (431, 28260), (471, 25860), (628, 19395), (785, 15516), (862, 14130), (942, 12930), (1293, 9420), (1413, 8620), (1570, 7758), (1724, 7065), (1884, 6465), (2155, 5652), (2355, 5172), (2586, 4710), (2826, 4310), (3140, 3879)]