12240720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{1889}}^1$

素因数の和:1914

約数の個数: 100

約数和(自身を含む): 42536340

約数和(自身を除く): 30295620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 1889, 2160, 3240, 3778, 5667, 6480, 7556, 9445, 11334, 15112, 17001, 18890, 22668, 28335, 30224, 34002, 37780, 45336, 51003, 56670, 68004, 75560, 85005, 90672, 102006, 113340, 136008, 151120, 153009, 170010, 204012, 226680, 255015, 272016, 306018, 340020, 408024, 453360, 510030, 612036, 680040, 765045, 816048, 1020060, 1224072, 1360080, 1530090, 2040120, 2448144, 3060180, 4080240, 6120360, 12240720]

約数ペア:

[(1, 12240720), (2, 6120360), (3, 4080240), (4, 3060180), (5, 2448144), (6, 2040120), (8, 1530090), (9, 1360080), (10, 1224072), (12, 1020060), (15, 816048), (16, 765045), (18, 680040), (20, 612036), (24, 510030), (27, 453360), (30, 408024), (36, 340020), (40, 306018), (45, 272016), (48, 255015), (54, 226680), (60, 204012), (72, 170010), (80, 153009), (81, 151120), (90, 136008), (108, 113340), (120, 102006), (135, 90672), (144, 85005), (162, 75560), (180, 68004), (216, 56670), (240, 51003), (270, 45336), (324, 37780), (360, 34002), (405, 30224), (432, 28335), (540, 22668), (648, 18890), (720, 17001), (810, 15112), (1080, 11334), (1296, 9445), (1620, 7556), (1889, 6480), (2160, 5667), (3240, 3778)]