216720840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:444

約数の個数: 256

約数和(自身を含む): 805478400

約数和(自身を除く): 588757560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 37, 38, 40, 42, 56, 57, 60, 70, 74, 76, 84, 95, 105, 111, 114, 120, 133, 140, 148, 152, 168, 185, 190, 210, 222, 228, 259, 266, 280, 285, 296, 367, 370, 380, 399, 420, 444, 456, 518, 532, 555, 570, 665, 703, 734, 740, 760, 777, 798, 840, 888, 1036, 1064, 1101, 1110, 1140, 1295, 1330, 1406, 1468, 1480, 1554, 1596, 1835, 1995, 2072, 2109, 2202, 2220, 2280, 2569, 2590, 2660, 2812, 2936, 3108, 3192, 3515, 3670, 3885, 3990, 4218, 4404, 4440, 4921, 5138, 5180, 5320, 5505, 5624, 6216, 6973, 7030, 7340, 7707, 7770, 7980, 8436, 8808, 9842, 10276, 10360, 10545, 11010, 12845, 13579, 13946, 14060, 14680, 14763, 15414, 15540, 15960, 16872, 19684, 20552, 20919, 21090, 22020, 24605, 25690, 27158, 27892, 28120, 29526, 30828, 31080, 34865, 38535, 39368, 40737, 41838, 42180, 44040, 48811, 49210, 51380, 54316, 55784, 59052, 61656, 67895, 69730, 73815, 77070, 81474, 83676, 84360, 95053, 97622, 98420, 102760, 104595, 108632, 118104, 135790, 139460, 146433, 147630, 154140, 162948, 167352, 190106, 195244, 196840, 203685, 209190, 244055, 258001, 271580, 278920, 285159, 292866, 295260, 308280, 325896, 380212, 390488, 407370, 418380, 475265, 488110, 516002, 543160, 570318, 585732, 590520, 732165, 760424, 774003, 814740, 836760, 950530, 976220, 1032004, 1140636, 1171464, 1290005, 1425795, 1464330, 1548006, 1629480, 1806007, 1901060, 1952440, 2064008, 2281272, 2580010, 2851590, 2928660, 3096012, 3612014, 3802120, 3870015, 5160020, 5418021, 5703180, 5857320, 6192024, 7224028, 7740030, 9030035, 10320040, 10836042, 11406360, 14448056, 15480060, 18060070, 21672084, 27090105, 30960120, 36120140, 43344168, 54180210, 72240280, 108360420, 216720840]

約数ペア:

[(1, 216720840), (2, 108360420), (3, 72240280), (4, 54180210), (5, 43344168), (6, 36120140), (7, 30960120), (8, 27090105), (10, 21672084), (12, 18060070), (14, 15480060), (15, 14448056), (19, 11406360), (20, 10836042), (21, 10320040), (24, 9030035), (28, 7740030), (30, 7224028), (35, 6192024), (37, 5857320), (38, 5703180), (40, 5418021), (42, 5160020), (56, 3870015), (57, 3802120), (60, 3612014), (70, 3096012), (74, 2928660), (76, 2851590), (84, 2580010), (95, 2281272), (105, 2064008), (111, 1952440), (114, 1901060), (120, 1806007), (133, 1629480), (140, 1548006), (148, 1464330), (152, 1425795), (168, 1290005), (185, 1171464), (190, 1140636), (210, 1032004), (222, 976220), (228, 950530), (259, 836760), (266, 814740), (280, 774003), (285, 760424), (296, 732165), (367, 590520), (370, 585732), (380, 570318), (399, 543160), (420, 516002), (444, 488110), (456, 475265), (518, 418380), (532, 407370), (555, 390488), (570, 380212), (665, 325896), (703, 308280), (734, 295260), (740, 292866), (760, 285159), (777, 278920), (798, 271580), (840, 258001), (888, 244055), (1036, 209190), (1064, 203685), (1101, 196840), (1110, 195244), (1140, 190106), (1295, 167352), (1330, 162948), (1406, 154140), (1468, 147630), (1480, 146433), (1554, 139460), (1596, 135790), (1835, 118104), (1995, 108632), (2072, 104595), (2109, 102760), (2202, 98420), (2220, 97622), (2280, 95053), (2569, 84360), (2590, 83676), (2660, 81474), (2812, 77070), (2936, 73815), (3108, 69730), (3192, 67895), (3515, 61656), (3670, 59052), (3885, 55784), (3990, 54316), (4218, 51380), (4404, 49210), (4440, 48811), (4921, 44040), (5138, 42180), (5180, 41838), (5320, 40737), (5505, 39368), (5624, 38535), (6216, 34865), (6973, 31080), (7030, 30828), (7340, 29526), (7707, 28120), (7770, 27892), (7980, 27158), (8436, 25690), (8808, 24605), (9842, 22020), (10276, 21090), (10360, 20919), (10545, 20552), (11010, 19684), (12845, 16872), (13579, 15960), (13946, 15540), (14060, 15414), (14680, 14763)]