2049880560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2080

約数の個数: 320

約数和(自身を含む): 7991488512

約数和(自身を除く): 5941607952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 47, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 94, 104, 105, 112, 120, 130, 140, 141, 156, 168, 182, 188, 195, 208, 210, 235, 240, 260, 273, 280, 282, 312, 329, 336, 364, 376, 390, 420, 455, 470, 520, 546, 560, 564, 611, 624, 658, 705, 728, 752, 780, 840, 910, 940, 987, 1040, 1092, 1128, 1222, 1316, 1365, 1410, 1456, 1560, 1645, 1680, 1820, 1833, 1880, 1974, 1997, 2184, 2256, 2444, 2632, 2730, 2820, 3055, 3120, 3290, 3640, 3666, 3760, 3948, 3994, 4277, 4368, 4888, 4935, 5264, 5460, 5640, 5991, 6110, 6580, 7280, 7332, 7896, 7988, 8554, 9165, 9776, 9870, 9985, 10920, 11280, 11982, 12220, 12831, 13160, 13979, 14664, 15792, 15976, 17108, 18330, 19740, 19970, 21385, 21840, 23964, 24440, 25662, 25961, 26320, 27958, 29328, 29955, 31952, 34216, 36660, 39480, 39940, 41937, 42770, 47928, 48880, 51324, 51922, 55916, 59910, 64155, 68432, 69895, 73320, 77883, 78960, 79880, 83874, 85540, 93859, 95856, 102648, 103844, 111832, 119820, 128310, 129805, 139790, 146640, 155766, 159760, 167748, 171080, 181727, 187718, 205296, 207688, 209685, 223664, 239640, 256620, 259610, 279580, 281577, 311532, 335496, 342160, 363454, 375436, 389415, 415376, 419370, 469295, 479280, 513240, 519220, 545181, 559160, 563154, 623064, 657013, 670992, 726908, 750872, 778830, 838740, 908635, 938590, 1026480, 1038440, 1090362, 1118320, 1126308, 1220167, 1246128, 1314026, 1407885, 1453816, 1501744, 1557660, 1677480, 1817270, 1877180, 1971039, 2076880, 2180724, 2252616, 2440334, 2628052, 2725905, 2815770, 2907632, 3115320, 3285065, 3354960, 3634540, 3660501, 3754360, 3942078, 4361448, 4505232, 4880668, 5256104, 5451810, 5631540, 6100835, 6230640, 6570130, 7269080, 7321002, 7508720, 7884156, 8541169, 8722896, 9761336, 9855195, 10512208, 10903620, 11263080, 12201670, 13140260, 14538160, 14642004, 15768312, 17082338, 18302505, 19522672, 19710390, 21807240, 22526160, 24403340, 25623507, 26280520, 29284008, 31536624, 34164676, 36605010, 39420780, 42705845, 43614480, 48806680, 51247014, 52561040, 58568016, 68329352, 73210020, 78841560, 85411690, 97613360, 102494028, 128117535, 136658704, 146420040, 157683120, 170823380, 204988056, 256235070, 292840080, 341646760, 409976112, 512470140, 683293520, 1024940280, 2049880560]

約数ペア:

[(1, 2049880560), (2, 1024940280), (3, 683293520), (4, 512470140), (5, 409976112), (6, 341646760), (7, 292840080), (8, 256235070), (10, 204988056), (12, 170823380), (13, 157683120), (14, 146420040), (15, 136658704), (16, 128117535), (20, 102494028), (21, 97613360), (24, 85411690), (26, 78841560), (28, 73210020), (30, 68329352), (35, 58568016), (39, 52561040), (40, 51247014), (42, 48806680), (47, 43614480), (48, 42705845), (52, 39420780), (56, 36605010), (60, 34164676), (65, 31536624), (70, 29284008), (78, 26280520), (80, 25623507), (84, 24403340), (91, 22526160), (94, 21807240), (104, 19710390), (105, 19522672), (112, 18302505), (120, 17082338), (130, 15768312), (140, 14642004), (141, 14538160), (156, 13140260), (168, 12201670), (182, 11263080), (188, 10903620), (195, 10512208), (208, 9855195), (210, 9761336), (235, 8722896), (240, 8541169), (260, 7884156), (273, 7508720), (280, 7321002), (282, 7269080), (312, 6570130), (329, 6230640), (336, 6100835), (364, 5631540), (376, 5451810), (390, 5256104), (420, 4880668), (455, 4505232), (470, 4361448), (520, 3942078), (546, 3754360), (560, 3660501), (564, 3634540), (611, 3354960), (624, 3285065), (658, 3115320), (705, 2907632), (728, 2815770), (752, 2725905), (780, 2628052), (840, 2440334), (910, 2252616), (940, 2180724), (987, 2076880), (1040, 1971039), (1092, 1877180), (1128, 1817270), (1222, 1677480), (1316, 1557660), (1365, 1501744), (1410, 1453816), (1456, 1407885), (1560, 1314026), (1645, 1246128), (1680, 1220167), (1820, 1126308), (1833, 1118320), (1880, 1090362), (1974, 1038440), (1997, 1026480), (2184, 938590), (2256, 908635), (2444, 838740), (2632, 778830), (2730, 750872), (2820, 726908), (3055, 670992), (3120, 657013), (3290, 623064), (3640, 563154), (3666, 559160), (3760, 545181), (3948, 519220), (3994, 513240), (4277, 479280), (4368, 469295), (4888, 419370), (4935, 415376), (5264, 389415), (5460, 375436), (5640, 363454), (5991, 342160), (6110, 335496), (6580, 311532), (7280, 281577), (7332, 279580), (7896, 259610), (7988, 256620), (8554, 239640), (9165, 223664), (9776, 209685), (9870, 207688), (9985, 205296), (10920, 187718), (11280, 181727), (11982, 171080), (12220, 167748), (12831, 159760), (13160, 155766), (13979, 146640), (14664, 139790), (15792, 129805), (15976, 128310), (17108, 119820), (18330, 111832), (19740, 103844), (19970, 102648), (21385, 95856), (21840, 93859), (23964, 85540), (24440, 83874), (25662, 79880), (25961, 78960), (26320, 77883), (27958, 73320), (29328, 69895), (29955, 68432), (31952, 64155), (34216, 59910), (36660, 55916), (39480, 51922), (39940, 51324), (41937, 48880), (42770, 47928)]