280321920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1253

約数の個数: 192

約数和(自身を含む): 992431440

約数和(自身を除く): 712109520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 128, 144, 160, 164, 180, 192, 205, 240, 246, 288, 320, 328, 360, 369, 384, 410, 480, 492, 576, 615, 640, 656, 720, 738, 820, 960, 984, 1152, 1187, 1230, 1312, 1440, 1476, 1640, 1845, 1920, 1968, 2374, 2460, 2624, 2880, 2952, 3280, 3561, 3690, 3936, 4748, 4920, 5248, 5760, 5904, 5935, 6560, 7122, 7380, 7872, 9496, 9840, 10683, 11808, 11870, 13120, 14244, 14760, 15744, 17805, 18992, 19680, 21366, 23616, 23740, 26240, 28488, 29520, 35610, 37984, 39360, 42732, 47232, 47480, 48667, 53415, 56976, 59040, 71220, 75968, 78720, 85464, 94960, 97334, 106830, 113952, 118080, 142440, 146001, 151936, 170928, 189920, 194668, 213660, 227904, 236160, 243335, 284880, 292002, 341856, 379840, 389336, 427320, 438003, 455808, 486670, 569760, 584004, 683712, 730005, 759680, 778672, 854640, 876006, 973340, 1139520, 1168008, 1367424, 1460010, 1557344, 1709280, 1752012, 1946680, 2190015, 2279040, 2336016, 2920020, 3114688, 3418560, 3504024, 3893360, 4380030, 4672032, 5840040, 6229376, 6837120, 7008048, 7786720, 8760060, 9344064, 11680080, 14016096, 15573440, 17520120, 18688128, 23360160, 28032192, 31146880, 35040240, 46720320, 56064384, 70080480, 93440640, 140160960, 280321920]

約数ペア:

[(1, 280321920), (2, 140160960), (3, 93440640), (4, 70080480), (5, 56064384), (6, 46720320), (8, 35040240), (9, 31146880), (10, 28032192), (12, 23360160), (15, 18688128), (16, 17520120), (18, 15573440), (20, 14016096), (24, 11680080), (30, 9344064), (32, 8760060), (36, 7786720), (40, 7008048), (41, 6837120), (45, 6229376), (48, 5840040), (60, 4672032), (64, 4380030), (72, 3893360), (80, 3504024), (82, 3418560), (90, 3114688), (96, 2920020), (120, 2336016), (123, 2279040), (128, 2190015), (144, 1946680), (160, 1752012), (164, 1709280), (180, 1557344), (192, 1460010), (205, 1367424), (240, 1168008), (246, 1139520), (288, 973340), (320, 876006), (328, 854640), (360, 778672), (369, 759680), (384, 730005), (410, 683712), (480, 584004), (492, 569760), (576, 486670), (615, 455808), (640, 438003), (656, 427320), (720, 389336), (738, 379840), (820, 341856), (960, 292002), (984, 284880), (1152, 243335), (1187, 236160), (1230, 227904), (1312, 213660), (1440, 194668), (1476, 189920), (1640, 170928), (1845, 151936), (1920, 146001), (1968, 142440), (2374, 118080), (2460, 113952), (2624, 106830), (2880, 97334), (2952, 94960), (3280, 85464), (3561, 78720), (3690, 75968), (3936, 71220), (4748, 59040), (4920, 56976), (5248, 53415), (5760, 48667), (5904, 47480), (5935, 47232), (6560, 42732), (7122, 39360), (7380, 37984), (7872, 35610), (9496, 29520), (9840, 28488), (10683, 26240), (11808, 23740), (11870, 23616), (13120, 21366), (14244, 19680), (14760, 18992), (15744, 17805)]