51091920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6451}}^1$

素因数の和:6481

約数の個数: 120

約数和(自身を含む): 187211232

約数和(自身を除く): 136119312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 6451, 7920, 12902, 19353, 25804, 32255, 38706, 51608, 58059, 64510, 70961, 77412, 96765, 103216, 116118, 129020, 141922, 154824, 193530, 212883, 232236, 258040, 283844, 290295, 309648, 354805, 387060, 425766, 464472, 516080, 567688, 580590, 638649, 709610, 774120, 851532, 928944, 1064415, 1135376, 1161180, 1277298, 1419220, 1548240, 1703064, 2128830, 2322360, 2554596, 2838440, 3193245, 3406128, 4257660, 4644720, 5109192, 5676880, 6386490, 8515320, 10218384, 12772980, 17030640, 25545960, 51091920]

約数ペア:

[(1, 51091920), (2, 25545960), (3, 17030640), (4, 12772980), (5, 10218384), (6, 8515320), (8, 6386490), (9, 5676880), (10, 5109192), (11, 4644720), (12, 4257660), (15, 3406128), (16, 3193245), (18, 2838440), (20, 2554596), (22, 2322360), (24, 2128830), (30, 1703064), (33, 1548240), (36, 1419220), (40, 1277298), (44, 1161180), (45, 1135376), (48, 1064415), (55, 928944), (60, 851532), (66, 774120), (72, 709610), (80, 638649), (88, 580590), (90, 567688), (99, 516080), (110, 464472), (120, 425766), (132, 387060), (144, 354805), (165, 309648), (176, 290295), (180, 283844), (198, 258040), (220, 232236), (240, 212883), (264, 193530), (330, 154824), (360, 141922), (396, 129020), (440, 116118), (495, 103216), (528, 96765), (660, 77412), (720, 70961), (792, 64510), (880, 58059), (990, 51608), (1320, 38706), (1584, 32255), (1980, 25804), (2640, 19353), (3960, 12902), (6451, 7920)]