131304320

素因数分解:

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

素因数の和:165

約数の個数: 192

約数和(自身を含む): 376747200

約数和(自身を除く): 245442880

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, 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, 1484, 1568, 1580, 1696, 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, 10112, 10388, 11060, 11872, 12640, 12985, 14840, 15484, 15680, 16748, 16960, 17696, 19355, 20776, 20935, 22120, 23744, 25280, 25970, 29309, 29680, 30968, 31360, 33496, 33920, 35392, 38710, 41552, 41870, 44240, 47488, 50560, 51940, 58618, 59360, 61936, 66992, 70784, 77420, 83104, 83740, 88480, 103880, 117236, 118720, 123872, 133984, 146545, 154840, 166208, 167480, 176960, 205163, 207760, 234472, 237440, 247744, 267968, 293090, 309680, 332416, 334960, 353920, 410326, 415520, 468944, 495488, 535936, 586180, 619360, 669920, 820652, 831040, 937888, 1025815, 1172360, 1238720, 1339840, 1641304, 1662080, 1875776, 2051630, 2344720, 2477440, 2679680, 3282608, 3751552, 4103260, 4689440, 6565216, 8206520, 9378880, 13130432, 16413040, 18757760, 26260864, 32826080, 65652160, 131304320]

約数ペア:

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