247569280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:856

約数の個数: 128

約数和(自身を含む): 686566080

約数和(自身を除く): 438996800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 640, 730, 757, 896, 1022, 1120, 1168, 1460, 1514, 2044, 2240, 2336, 2555, 2920, 3028, 3785, 4088, 4480, 4672, 5110, 5299, 5840, 6056, 7570, 8176, 9344, 10220, 10598, 11680, 12112, 15140, 16352, 20440, 21196, 23360, 24224, 26495, 30280, 32704, 40880, 42392, 46720, 48448, 52990, 55261, 60560, 65408, 81760, 84784, 96896, 105980, 110522, 121120, 163520, 169568, 211960, 221044, 242240, 276305, 327040, 339136, 386827, 423920, 442088, 484480, 552610, 678272, 773654, 847840, 884176, 1105220, 1547308, 1695680, 1768352, 1934135, 2210440, 3094616, 3391360, 3536704, 3868270, 4420880, 6189232, 7073408, 7736540, 8841760, 12378464, 15473080, 17683520, 24756928, 30946160, 35367040, 49513856, 61892320, 123784640, 247569280]

約数ペア:

[(1, 247569280), (2, 123784640), (4, 61892320), (5, 49513856), (7, 35367040), (8, 30946160), (10, 24756928), (14, 17683520), (16, 15473080), (20, 12378464), (28, 8841760), (32, 7736540), (35, 7073408), (40, 6189232), (56, 4420880), (64, 3868270), (70, 3536704), (73, 3391360), (80, 3094616), (112, 2210440), (128, 1934135), (140, 1768352), (146, 1695680), (160, 1547308), (224, 1105220), (280, 884176), (292, 847840), (320, 773654), (365, 678272), (448, 552610), (511, 484480), (560, 442088), (584, 423920), (640, 386827), (730, 339136), (757, 327040), (896, 276305), (1022, 242240), (1120, 221044), (1168, 211960), (1460, 169568), (1514, 163520), (2044, 121120), (2240, 110522), (2336, 105980), (2555, 96896), (2920, 84784), (3028, 81760), (3785, 65408), (4088, 60560), (4480, 55261), (4672, 52990), (5110, 48448), (5299, 46720), (5840, 42392), (6056, 40880), (7570, 32704), (8176, 30280), (9344, 26495), (10220, 24224), (10598, 23360), (11680, 21196), (12112, 20440), (15140, 16352)]