90447840

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1031

約数の個数: 240

約数和(自身を含む): 365172192

約数和(自身を除く): 274724352

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, 997, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 1994, 2016, 2160, 2268, 2520, 2592, 2835, 2991, 3024, 3240, 3360, 3780, 3988, 4320, 4536, 4985, 5040, 5670, 5982, 6048, 6480, 6979, 7560, 7976, 8973, 9072, 9970, 10080, 11340, 11964, 12960, 13958, 14955, 15120, 15952, 17946, 18144, 19940, 20937, 22680, 23928, 26919, 27916, 29910, 30240, 31904, 34895, 35892, 39880, 41874, 44865, 45360, 47856, 53838, 55832, 59820, 62811, 69790, 71784, 79760, 80757, 83748, 89730, 90720, 95712, 104685, 107676, 111664, 119640, 125622, 134595, 139580, 143568, 159520, 161514, 167496, 179460, 188433, 209370, 215352, 223328, 239280, 251244, 269190, 279160, 287136, 314055, 323028, 334992, 358920, 376866, 403785, 418740, 430704, 478560, 502488, 538380, 558320, 565299, 628110, 646056, 669984, 717840, 753732, 807570, 837480, 861408, 942165, 1004976, 1076760, 1116640, 1130598, 1256220, 1292112, 1435680, 1507464, 1615140, 1674960, 1884330, 2009952, 2153520, 2261196, 2512440, 2584224, 2826495, 3014928, 3230280, 3349920, 3768660, 4307040, 4522392, 5024880, 5652990, 6029856, 6460560, 7537320, 9044784, 10049760, 11305980, 12921120, 15074640, 18089568, 22611960, 30149280, 45223920, 90447840]

約数ペア:

[(1, 90447840), (2, 45223920), (3, 30149280), (4, 22611960), (5, 18089568), (6, 15074640), (7, 12921120), (8, 11305980), (9, 10049760), (10, 9044784), (12, 7537320), (14, 6460560), (15, 6029856), (16, 5652990), (18, 5024880), (20, 4522392), (21, 4307040), (24, 3768660), (27, 3349920), (28, 3230280), (30, 3014928), (32, 2826495), (35, 2584224), (36, 2512440), (40, 2261196), (42, 2153520), (45, 2009952), (48, 1884330), (54, 1674960), (56, 1615140), (60, 1507464), (63, 1435680), (70, 1292112), (72, 1256220), (80, 1130598), (81, 1116640), (84, 1076760), (90, 1004976), (96, 942165), (105, 861408), (108, 837480), (112, 807570), (120, 753732), (126, 717840), (135, 669984), (140, 646056), (144, 628110), (160, 565299), (162, 558320), (168, 538380), (180, 502488), (189, 478560), (210, 430704), (216, 418740), (224, 403785), (240, 376866), (252, 358920), (270, 334992), (280, 323028), (288, 314055), (315, 287136), (324, 279160), (336, 269190), (360, 251244), (378, 239280), (405, 223328), (420, 215352), (432, 209370), (480, 188433), (504, 179460), (540, 167496), (560, 161514), (567, 159520), (630, 143568), (648, 139580), (672, 134595), (720, 125622), (756, 119640), (810, 111664), (840, 107676), (864, 104685), (945, 95712), (997, 90720), (1008, 89730), (1080, 83748), (1120, 80757), (1134, 79760), (1260, 71784), (1296, 69790), (1440, 62811), (1512, 59820), (1620, 55832), (1680, 53838), (1890, 47856), (1994, 45360), (2016, 44865), (2160, 41874), (2268, 39880), (2520, 35892), (2592, 34895), (2835, 31904), (2991, 30240), (3024, 29910), (3240, 27916), (3360, 26919), (3780, 23928), (3988, 22680), (4320, 20937), (4536, 19940), (4985, 18144), (5040, 17946), (5670, 15952), (5982, 15120), (6048, 14955), (6480, 13958), (6979, 12960), (7560, 11964), (7976, 11340), (8973, 10080), (9072, 9970)]