25415040

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 256

約数和(自身を含む): 97136640

約数和(自身を除く): 71721600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 61, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 122, 124, 128, 140, 155, 160, 168, 183, 186, 192, 210, 217, 224, 240, 244, 248, 280, 305, 310, 320, 336, 366, 372, 384, 420, 427, 434, 448, 465, 480, 488, 496, 560, 610, 620, 640, 651, 672, 732, 744, 840, 854, 868, 896, 915, 930, 960, 976, 992, 1085, 1120, 1220, 1240, 1281, 1302, 1344, 1464, 1488, 1680, 1708, 1736, 1830, 1860, 1891, 1920, 1952, 1984, 2135, 2170, 2240, 2440, 2480, 2562, 2604, 2688, 2928, 2976, 3255, 3360, 3416, 3472, 3660, 3720, 3782, 3904, 3968, 4270, 4340, 4480, 4880, 4960, 5124, 5208, 5673, 5856, 5952, 6405, 6510, 6720, 6832, 6944, 7320, 7440, 7564, 7808, 8540, 8680, 9455, 9760, 9920, 10248, 10416, 11346, 11712, 11904, 12810, 13020, 13237, 13440, 13664, 13888, 14640, 14880, 15128, 17080, 17360, 18910, 19520, 19840, 20496, 20832, 22692, 23424, 25620, 26040, 26474, 27328, 27776, 28365, 29280, 29760, 30256, 34160, 34720, 37820, 39040, 39711, 40992, 41664, 45384, 51240, 52080, 52948, 54656, 56730, 58560, 59520, 60512, 66185, 68320, 69440, 75640, 79422, 81984, 83328, 90768, 102480, 104160, 105896, 113460, 117120, 121024, 132370, 136640, 138880, 151280, 158844, 163968, 181536, 198555, 204960, 208320, 211792, 226920, 242048, 264740, 273280, 302560, 317688, 363072, 397110, 409920, 416640, 423584, 453840, 529480, 605120, 635376, 726144, 794220, 819840, 847168, 907680, 1058960, 1210240, 1270752, 1588440, 1694336, 1815360, 2117920, 2541504, 3176880, 3630720, 4235840, 5083008, 6353760, 8471680, 12707520, 25415040]

約数ペア:

[(1, 25415040), (2, 12707520), (3, 8471680), (4, 6353760), (5, 5083008), (6, 4235840), (7, 3630720), (8, 3176880), (10, 2541504), (12, 2117920), (14, 1815360), (15, 1694336), (16, 1588440), (20, 1270752), (21, 1210240), (24, 1058960), (28, 907680), (30, 847168), (31, 819840), (32, 794220), (35, 726144), (40, 635376), (42, 605120), (48, 529480), (56, 453840), (60, 423584), (61, 416640), (62, 409920), (64, 397110), (70, 363072), (80, 317688), (84, 302560), (93, 273280), (96, 264740), (105, 242048), (112, 226920), (120, 211792), (122, 208320), (124, 204960), (128, 198555), (140, 181536), (155, 163968), (160, 158844), (168, 151280), (183, 138880), (186, 136640), (192, 132370), (210, 121024), (217, 117120), (224, 113460), (240, 105896), (244, 104160), (248, 102480), (280, 90768), (305, 83328), (310, 81984), (320, 79422), (336, 75640), (366, 69440), (372, 68320), (384, 66185), (420, 60512), (427, 59520), (434, 58560), (448, 56730), (465, 54656), (480, 52948), (488, 52080), (496, 51240), (560, 45384), (610, 41664), (620, 40992), (640, 39711), (651, 39040), (672, 37820), (732, 34720), (744, 34160), (840, 30256), (854, 29760), (868, 29280), (896, 28365), (915, 27776), (930, 27328), (960, 26474), (976, 26040), (992, 25620), (1085, 23424), (1120, 22692), (1220, 20832), (1240, 20496), (1281, 19840), (1302, 19520), (1344, 18910), (1464, 17360), (1488, 17080), (1680, 15128), (1708, 14880), (1736, 14640), (1830, 13888), (1860, 13664), (1891, 13440), (1920, 13237), (1952, 13020), (1984, 12810), (2135, 11904), (2170, 11712), (2240, 11346), (2440, 10416), (2480, 10248), (2562, 9920), (2604, 9760), (2688, 9455), (2928, 8680), (2976, 8540), (3255, 7808), (3360, 7564), (3416, 7440), (3472, 7320), (3660, 6944), (3720, 6832), (3782, 6720), (3904, 6510), (3968, 6405), (4270, 5952), (4340, 5856), (4480, 5673), (4880, 5208), (4960, 5124)]