253199520

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2791}}^1$

素因数の和:2825

約数の個数: 240

約数和(自身を含む): 1021603968

約数和(自身を除く): 768404448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2791, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5582, 5670, 6048, 6480, 7560, 8373, 9072, 10080, 11164, 11340, 12960, 13955, 15120, 16746, 18144, 19537, 22328, 22680, 25119, 27910, 30240, 33492, 39074, 41865, 44656, 45360, 50238, 55820, 58611, 66984, 75357, 78148, 83730, 89312, 90720, 97685, 100476, 111640, 117222, 125595, 133968, 150714, 156296, 167460, 175833, 195370, 200952, 223280, 226071, 234444, 251190, 267936, 293055, 301428, 312592, 334920, 351666, 376785, 390740, 401904, 446560, 452142, 468888, 502380, 527499, 586110, 602856, 625184, 669840, 703332, 753570, 781480, 803808, 879165, 904284, 937776, 1004760, 1054998, 1130355, 1172220, 1205712, 1339680, 1406664, 1507140, 1562960, 1582497, 1758330, 1808568, 1875552, 2009520, 2109996, 2260710, 2344440, 2411424, 2637495, 2813328, 3014280, 3125920, 3164994, 3516660, 3617136, 4019040, 4219992, 4521420, 4688880, 5274990, 5626656, 6028560, 6329988, 7033320, 7234272, 7912485, 8439984, 9042840, 9377760, 10549980, 12057120, 12659976, 14066640, 15824970, 16879968, 18085680, 21099960, 25319952, 28133280, 31649940, 36171360, 42199920, 50639904, 63299880, 84399840, 126599760, 253199520]

約数ペア:

[(1, 253199520), (2, 126599760), (3, 84399840), (4, 63299880), (5, 50639904), (6, 42199920), (7, 36171360), (8, 31649940), (9, 28133280), (10, 25319952), (12, 21099960), (14, 18085680), (15, 16879968), (16, 15824970), (18, 14066640), (20, 12659976), (21, 12057120), (24, 10549980), (27, 9377760), (28, 9042840), (30, 8439984), (32, 7912485), (35, 7234272), (36, 7033320), (40, 6329988), (42, 6028560), (45, 5626656), (48, 5274990), (54, 4688880), (56, 4521420), (60, 4219992), (63, 4019040), (70, 3617136), (72, 3516660), (80, 3164994), (81, 3125920), (84, 3014280), (90, 2813328), (96, 2637495), (105, 2411424), (108, 2344440), (112, 2260710), (120, 2109996), (126, 2009520), (135, 1875552), (140, 1808568), (144, 1758330), (160, 1582497), (162, 1562960), (168, 1507140), (180, 1406664), (189, 1339680), (210, 1205712), (216, 1172220), (224, 1130355), (240, 1054998), (252, 1004760), (270, 937776), (280, 904284), (288, 879165), (315, 803808), (324, 781480), (336, 753570), (360, 703332), (378, 669840), (405, 625184), (420, 602856), (432, 586110), (480, 527499), (504, 502380), (540, 468888), (560, 452142), (567, 446560), (630, 401904), (648, 390740), (672, 376785), (720, 351666), (756, 334920), (810, 312592), (840, 301428), (864, 293055), (945, 267936), (1008, 251190), (1080, 234444), (1120, 226071), (1134, 223280), (1260, 200952), (1296, 195370), (1440, 175833), (1512, 167460), (1620, 156296), (1680, 150714), (1890, 133968), (2016, 125595), (2160, 117222), (2268, 111640), (2520, 100476), (2592, 97685), (2791, 90720), (2835, 89312), (3024, 83730), (3240, 78148), (3360, 75357), (3780, 66984), (4320, 58611), (4536, 55820), (5040, 50238), (5582, 45360), (5670, 44656), (6048, 41865), (6480, 39074), (7560, 33492), (8373, 30240), (9072, 27910), (10080, 25119), (11164, 22680), (11340, 22328), (12960, 19537), (13955, 18144), (15120, 16746)]