1920235520

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 288

約数和(自身を含む): 5545940400

約数和(自身を除く): 3625704880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 89, 98, 112, 128, 140, 160, 172, 178, 196, 215, 224, 245, 256, 280, 301, 320, 344, 356, 392, 430, 445, 448, 490, 512, 560, 602, 623, 640, 688, 712, 784, 860, 890, 896, 980, 1024, 1120, 1204, 1246, 1280, 1376, 1424, 1505, 1568, 1720, 1780, 1792, 1960, 2048, 2107, 2240, 2408, 2492, 2560, 2752, 2848, 3010, 3115, 3136, 3440, 3560, 3584, 3827, 3920, 4214, 4361, 4480, 4816, 4984, 5120, 5504, 5696, 6020, 6230, 6272, 6880, 7120, 7168, 7654, 7840, 8428, 8722, 8960, 9632, 9968, 10240, 10535, 11008, 11392, 12040, 12460, 12544, 13760, 14240, 14336, 15308, 15680, 16856, 17444, 17920, 19135, 19264, 19936, 21070, 21805, 22016, 22784, 24080, 24920, 25088, 26789, 27520, 28480, 30616, 31360, 33712, 34888, 35840, 38270, 38528, 39872, 42140, 43610, 44032, 45568, 48160, 49840, 50176, 53578, 55040, 56960, 61232, 62720, 67424, 69776, 71680, 76540, 77056, 79744, 84280, 87220, 88064, 91136, 96320, 99680, 100352, 107156, 110080, 113920, 122464, 125440, 133945, 134848, 139552, 153080, 154112, 159488, 168560, 174440, 182272, 187523, 192640, 199360, 214312, 220160, 227840, 244928, 250880, 267890, 269696, 279104, 306160, 308224, 318976, 337120, 348880, 375046, 385280, 398720, 428624, 440320, 455680, 489856, 501760, 535780, 539392, 558208, 612320, 616448, 637952, 674240, 697760, 750092, 770560, 797440, 857248, 911360, 937615, 979712, 1071560, 1078784, 1116416, 1224640, 1275904, 1348480, 1395520, 1500184, 1541120, 1594880, 1714496, 1875230, 1959424, 2143120, 2157568, 2232832, 2449280, 2696960, 2791040, 3000368, 3082240, 3189760, 3428992, 3750460, 3918848, 4286240, 4315136, 4465664, 4898560, 5393920, 5582080, 6000736, 6379520, 6857984, 7500920, 7837696, 8572480, 8931328, 9797120, 10787840, 11164160, 12001472, 13715968, 15001840, 17144960, 19594240, 21575680, 22328320, 24002944, 27431936, 30003680, 34289920, 39188480, 44656640, 48005888, 54863872, 60007360, 68579840, 96011776, 120014720, 137159680, 192023552, 240029440, 274319360, 384047104, 480058880, 960117760, 1920235520]

約数ペア:

[(1, 1920235520), (2, 960117760), (4, 480058880), (5, 384047104), (7, 274319360), (8, 240029440), (10, 192023552), (14, 137159680), (16, 120014720), (20, 96011776), (28, 68579840), (32, 60007360), (35, 54863872), (40, 48005888), (43, 44656640), (49, 39188480), (56, 34289920), (64, 30003680), (70, 27431936), (80, 24002944), (86, 22328320), (89, 21575680), (98, 19594240), (112, 17144960), (128, 15001840), (140, 13715968), (160, 12001472), (172, 11164160), (178, 10787840), (196, 9797120), (215, 8931328), (224, 8572480), (245, 7837696), (256, 7500920), (280, 6857984), (301, 6379520), (320, 6000736), (344, 5582080), (356, 5393920), (392, 4898560), (430, 4465664), (445, 4315136), (448, 4286240), (490, 3918848), (512, 3750460), (560, 3428992), (602, 3189760), (623, 3082240), (640, 3000368), (688, 2791040), (712, 2696960), (784, 2449280), (860, 2232832), (890, 2157568), (896, 2143120), (980, 1959424), (1024, 1875230), (1120, 1714496), (1204, 1594880), (1246, 1541120), (1280, 1500184), (1376, 1395520), (1424, 1348480), (1505, 1275904), (1568, 1224640), (1720, 1116416), (1780, 1078784), (1792, 1071560), (1960, 979712), (2048, 937615), (2107, 911360), (2240, 857248), (2408, 797440), (2492, 770560), (2560, 750092), (2752, 697760), (2848, 674240), (3010, 637952), (3115, 616448), (3136, 612320), (3440, 558208), (3560, 539392), (3584, 535780), (3827, 501760), (3920, 489856), (4214, 455680), (4361, 440320), (4480, 428624), (4816, 398720), (4984, 385280), (5120, 375046), (5504, 348880), (5696, 337120), (6020, 318976), (6230, 308224), (6272, 306160), (6880, 279104), (7120, 269696), (7168, 267890), (7654, 250880), (7840, 244928), (8428, 227840), (8722, 220160), (8960, 214312), (9632, 199360), (9968, 192640), (10240, 187523), (10535, 182272), (11008, 174440), (11392, 168560), (12040, 159488), (12460, 154112), (12544, 153080), (13760, 139552), (14240, 134848), (14336, 133945), (15308, 125440), (15680, 122464), (16856, 113920), (17444, 110080), (17920, 107156), (19135, 100352), (19264, 99680), (19936, 96320), (21070, 91136), (21805, 88064), (22016, 87220), (22784, 84280), (24080, 79744), (24920, 77056), (25088, 76540), (26789, 71680), (27520, 69776), (28480, 67424), (30616, 62720), (31360, 61232), (33712, 56960), (34888, 55040), (35840, 53578), (38270, 50176), (38528, 49840), (39872, 48160), (42140, 45568), (43610, 44032)]