262608640

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 216

約数和(自身を含む): 754971840

約数和(自身を除く): 492363200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 79, 80, 98, 106, 112, 128, 140, 158, 160, 196, 212, 224, 245, 256, 265, 280, 316, 320, 371, 392, 395, 424, 448, 490, 530, 553, 560, 632, 640, 742, 784, 790, 848, 896, 980, 1060, 1106, 1120, 1264, 1280, 1484, 1568, 1580, 1696, 1792, 1855, 1960, 2120, 2212, 2240, 2528, 2597, 2765, 2968, 3136, 3160, 3392, 3710, 3871, 3920, 4187, 4240, 4424, 4480, 5056, 5194, 5530, 5936, 6272, 6320, 6784, 7420, 7742, 7840, 8374, 8480, 8848, 8960, 10112, 10388, 11060, 11872, 12544, 12640, 12985, 13568, 14840, 15484, 15680, 16748, 16960, 17696, 19355, 20224, 20776, 20935, 22120, 23744, 25280, 25970, 29309, 29680, 30968, 31360, 33496, 33920, 35392, 38710, 41552, 41870, 44240, 47488, 50560, 51940, 58618, 59360, 61936, 62720, 66992, 67840, 70784, 77420, 83104, 83740, 88480, 94976, 101120, 103880, 117236, 118720, 123872, 133984, 141568, 146545, 154840, 166208, 167480, 176960, 205163, 207760, 234472, 237440, 247744, 267968, 293090, 309680, 332416, 334960, 353920, 410326, 415520, 468944, 474880, 495488, 535936, 586180, 619360, 664832, 669920, 707840, 820652, 831040, 937888, 990976, 1025815, 1071872, 1172360, 1238720, 1339840, 1641304, 1662080, 1875776, 2051630, 2344720, 2477440, 2679680, 3282608, 3324160, 3751552, 4103260, 4689440, 4954880, 5359360, 6565216, 7503104, 8206520, 9378880, 13130432, 16413040, 18757760, 26260864, 32826080, 37515520, 52521728, 65652160, 131304320, 262608640]

約数ペア:

[(1, 262608640), (2, 131304320), (4, 65652160), (5, 52521728), (7, 37515520), (8, 32826080), (10, 26260864), (14, 18757760), (16, 16413040), (20, 13130432), (28, 9378880), (32, 8206520), (35, 7503104), (40, 6565216), (49, 5359360), (53, 4954880), (56, 4689440), (64, 4103260), (70, 3751552), (79, 3324160), (80, 3282608), (98, 2679680), (106, 2477440), (112, 2344720), (128, 2051630), (140, 1875776), (158, 1662080), (160, 1641304), (196, 1339840), (212, 1238720), (224, 1172360), (245, 1071872), (256, 1025815), (265, 990976), (280, 937888), (316, 831040), (320, 820652), (371, 707840), (392, 669920), (395, 664832), (424, 619360), (448, 586180), (490, 535936), (530, 495488), (553, 474880), (560, 468944), (632, 415520), (640, 410326), (742, 353920), (784, 334960), (790, 332416), (848, 309680), (896, 293090), (980, 267968), (1060, 247744), (1106, 237440), (1120, 234472), (1264, 207760), (1280, 205163), (1484, 176960), (1568, 167480), (1580, 166208), (1696, 154840), (1792, 146545), (1855, 141568), (1960, 133984), (2120, 123872), (2212, 118720), (2240, 117236), (2528, 103880), (2597, 101120), (2765, 94976), (2968, 88480), (3136, 83740), (3160, 83104), (3392, 77420), (3710, 70784), (3871, 67840), (3920, 66992), (4187, 62720), (4240, 61936), (4424, 59360), (4480, 58618), (5056, 51940), (5194, 50560), (5530, 47488), (5936, 44240), (6272, 41870), (6320, 41552), (6784, 38710), (7420, 35392), (7742, 33920), (7840, 33496), (8374, 31360), (8480, 30968), (8848, 29680), (8960, 29309), (10112, 25970), (10388, 25280), (11060, 23744), (11872, 22120), (12544, 20935), (12640, 20776), (12985, 20224), (13568, 19355), (14840, 17696), (15484, 16960), (15680, 16748)]