248359440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^4\times {\mathrm{431}}^1$

素因数の和:475

約数の個数: 200

約数和(自身を含む): 900263808

約数和(自身を除く): 651904368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 431, 490, 560, 588, 686, 735, 784, 840, 862, 980, 1029, 1176, 1293, 1372, 1470, 1680, 1715, 1724, 1960, 2058, 2155, 2352, 2401, 2586, 2744, 2940, 3017, 3430, 3448, 3920, 4116, 4310, 4802, 5145, 5172, 5488, 5880, 6034, 6465, 6860, 6896, 7203, 8232, 8620, 9051, 9604, 10290, 10344, 11760, 12005, 12068, 12930, 13720, 14406, 15085, 16464, 17240, 18102, 19208, 20580, 20688, 21119, 24010, 24136, 25860, 27440, 28812, 30170, 34480, 36015, 36204, 38416, 41160, 42238, 45255, 48020, 48272, 51720, 57624, 60340, 63357, 72030, 72408, 82320, 84476, 90510, 96040, 103440, 105595, 115248, 120680, 126714, 144060, 144816, 147833, 168952, 181020, 192080, 211190, 241360, 253428, 288120, 295666, 316785, 337904, 362040, 422380, 443499, 506856, 576240, 591332, 633570, 724080, 739165, 844760, 886998, 1013712, 1034831, 1182664, 1267140, 1478330, 1689520, 1773996, 2069662, 2217495, 2365328, 2534280, 2956660, 3104493, 3547992, 4139324, 4434990, 5068560, 5174155, 5913320, 6208986, 7095984, 8278648, 8869980, 10348310, 11826640, 12417972, 15522465, 16557296, 17739960, 20696620, 24835944, 31044930, 35479920, 41393240, 49671888, 62089860, 82786480, 124179720, 248359440]

約数ペア:

[(1, 248359440), (2, 124179720), (3, 82786480), (4, 62089860), (5, 49671888), (6, 41393240), (7, 35479920), (8, 31044930), (10, 24835944), (12, 20696620), (14, 17739960), (15, 16557296), (16, 15522465), (20, 12417972), (21, 11826640), (24, 10348310), (28, 8869980), (30, 8278648), (35, 7095984), (40, 6208986), (42, 5913320), (48, 5174155), (49, 5068560), (56, 4434990), (60, 4139324), (70, 3547992), (80, 3104493), (84, 2956660), (98, 2534280), (105, 2365328), (112, 2217495), (120, 2069662), (140, 1773996), (147, 1689520), (168, 1478330), (196, 1267140), (210, 1182664), (240, 1034831), (245, 1013712), (280, 886998), (294, 844760), (336, 739165), (343, 724080), (392, 633570), (420, 591332), (431, 576240), (490, 506856), (560, 443499), (588, 422380), (686, 362040), (735, 337904), (784, 316785), (840, 295666), (862, 288120), (980, 253428), (1029, 241360), (1176, 211190), (1293, 192080), (1372, 181020), (1470, 168952), (1680, 147833), (1715, 144816), (1724, 144060), (1960, 126714), (2058, 120680), (2155, 115248), (2352, 105595), (2401, 103440), (2586, 96040), (2744, 90510), (2940, 84476), (3017, 82320), (3430, 72408), (3448, 72030), (3920, 63357), (4116, 60340), (4310, 57624), (4802, 51720), (5145, 48272), (5172, 48020), (5488, 45255), (5880, 42238), (6034, 41160), (6465, 38416), (6860, 36204), (6896, 36015), (7203, 34480), (8232, 30170), (8620, 28812), (9051, 27440), (9604, 25860), (10290, 24136), (10344, 24010), (11760, 21119), (12005, 20688), (12068, 20580), (12930, 19208), (13720, 18102), (14406, 17240), (15085, 16464)]