1809274880

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:664

約数の個数: 192

約数和(自身を含む): 5085400320

約数和(自身を除く): 3276125440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 256, 280, 301, 320, 344, 430, 448, 512, 560, 587, 602, 640, 688, 860, 896, 1024, 1120, 1174, 1204, 1280, 1376, 1505, 1720, 1792, 2048, 2240, 2348, 2408, 2560, 2752, 2935, 3010, 3440, 3584, 4109, 4480, 4696, 4816, 5120, 5504, 5870, 6020, 6880, 7168, 8218, 8960, 9392, 9632, 10240, 11008, 11740, 12040, 13760, 14336, 16436, 17920, 18784, 19264, 20545, 22016, 23480, 24080, 25241, 27520, 32872, 35840, 37568, 38528, 41090, 44032, 46960, 48160, 50482, 55040, 65744, 71680, 75136, 77056, 82180, 88064, 93920, 96320, 100964, 110080, 126205, 131488, 150272, 154112, 164360, 176687, 187840, 192640, 201928, 220160, 252410, 262976, 300544, 308224, 328720, 353374, 375680, 385280, 403856, 440320, 504820, 525952, 601088, 616448, 657440, 706748, 751360, 770560, 807712, 883435, 1009640, 1051904, 1202176, 1314880, 1413496, 1502720, 1541120, 1615424, 1766870, 2019280, 2103808, 2629760, 2826992, 3005440, 3082240, 3230848, 3533740, 4038560, 4207616, 5259520, 5653984, 6010880, 6461696, 7067480, 8077120, 8415232, 10519040, 11307968, 12923392, 14134960, 16154240, 21038080, 22615936, 25846784, 28269920, 32308480, 42076160, 45231872, 51693568, 56539840, 64616960, 90463744, 113079680, 129233920, 180927488, 226159360, 258467840, 361854976, 452318720, 904637440, 1809274880]

約数ペア:

[(1, 1809274880), (2, 904637440), (4, 452318720), (5, 361854976), (7, 258467840), (8, 226159360), (10, 180927488), (14, 129233920), (16, 113079680), (20, 90463744), (28, 64616960), (32, 56539840), (35, 51693568), (40, 45231872), (43, 42076160), (56, 32308480), (64, 28269920), (70, 25846784), (80, 22615936), (86, 21038080), (112, 16154240), (128, 14134960), (140, 12923392), (160, 11307968), (172, 10519040), (215, 8415232), (224, 8077120), (256, 7067480), (280, 6461696), (301, 6010880), (320, 5653984), (344, 5259520), (430, 4207616), (448, 4038560), (512, 3533740), (560, 3230848), (587, 3082240), (602, 3005440), (640, 2826992), (688, 2629760), (860, 2103808), (896, 2019280), (1024, 1766870), (1120, 1615424), (1174, 1541120), (1204, 1502720), (1280, 1413496), (1376, 1314880), (1505, 1202176), (1720, 1051904), (1792, 1009640), (2048, 883435), (2240, 807712), (2348, 770560), (2408, 751360), (2560, 706748), (2752, 657440), (2935, 616448), (3010, 601088), (3440, 525952), (3584, 504820), (4109, 440320), (4480, 403856), (4696, 385280), (4816, 375680), (5120, 353374), (5504, 328720), (5870, 308224), (6020, 300544), (6880, 262976), (7168, 252410), (8218, 220160), (8960, 201928), (9392, 192640), (9632, 187840), (10240, 176687), (11008, 164360), (11740, 154112), (12040, 150272), (13760, 131488), (14336, 126205), (16436, 110080), (17920, 100964), (18784, 96320), (19264, 93920), (20545, 88064), (22016, 82180), (23480, 77056), (24080, 75136), (25241, 71680), (27520, 65744), (32872, 55040), (35840, 50482), (37568, 48160), (38528, 46960), (41090, 44032)]