1295732480

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:391

約数の個数: 216

約数和(自身を含む): 3672798192

約数和(自身を除く): 2377065712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 128, 140, 146, 160, 196, 224, 245, 256, 280, 283, 292, 320, 365, 392, 448, 490, 511, 560, 566, 584, 640, 730, 784, 896, 980, 1022, 1120, 1132, 1168, 1280, 1415, 1460, 1568, 1792, 1960, 1981, 2044, 2240, 2264, 2336, 2555, 2830, 2920, 3136, 3577, 3920, 3962, 4088, 4480, 4528, 4672, 5110, 5660, 5840, 6272, 7154, 7840, 7924, 8176, 8960, 9056, 9344, 9905, 10220, 11320, 11680, 12544, 13867, 14308, 15680, 15848, 16352, 17885, 18112, 18688, 19810, 20440, 20659, 22640, 23360, 27734, 28616, 31360, 31696, 32704, 35770, 36224, 39620, 40880, 41318, 45280, 46720, 55468, 57232, 62720, 63392, 65408, 69335, 71540, 72448, 79240, 81760, 82636, 90560, 93440, 103295, 110936, 114464, 126784, 130816, 138670, 143080, 144613, 158480, 163520, 165272, 181120, 206590, 221872, 228928, 253568, 277340, 286160, 289226, 316960, 327040, 330544, 362240, 413180, 443744, 457856, 507136, 554680, 572320, 578452, 633920, 654080, 661088, 723065, 826360, 887488, 915712, 1012291, 1109360, 1144640, 1156904, 1267840, 1322176, 1446130, 1652720, 1774976, 2024582, 2218720, 2289280, 2313808, 2535680, 2644352, 2892260, 3305440, 3549952, 4049164, 4437440, 4578560, 4627616, 5061455, 5288704, 5784520, 6610880, 8098328, 8874880, 9255232, 10122910, 11569040, 13221760, 16196656, 17749760, 18510464, 20245820, 23138080, 26443520, 32393312, 37020928, 40491640, 46276160, 64786624, 80983280, 92552320, 129573248, 161966560, 185104640, 259146496, 323933120, 647866240, 1295732480]

約数ペア:

[(1, 1295732480), (2, 647866240), (4, 323933120), (5, 259146496), (7, 185104640), (8, 161966560), (10, 129573248), (14, 92552320), (16, 80983280), (20, 64786624), (28, 46276160), (32, 40491640), (35, 37020928), (40, 32393312), (49, 26443520), (56, 23138080), (64, 20245820), (70, 18510464), (73, 17749760), (80, 16196656), (98, 13221760), (112, 11569040), (128, 10122910), (140, 9255232), (146, 8874880), (160, 8098328), (196, 6610880), (224, 5784520), (245, 5288704), (256, 5061455), (280, 4627616), (283, 4578560), (292, 4437440), (320, 4049164), (365, 3549952), (392, 3305440), (448, 2892260), (490, 2644352), (511, 2535680), (560, 2313808), (566, 2289280), (584, 2218720), (640, 2024582), (730, 1774976), (784, 1652720), (896, 1446130), (980, 1322176), (1022, 1267840), (1120, 1156904), (1132, 1144640), (1168, 1109360), (1280, 1012291), (1415, 915712), (1460, 887488), (1568, 826360), (1792, 723065), (1960, 661088), (1981, 654080), (2044, 633920), (2240, 578452), (2264, 572320), (2336, 554680), (2555, 507136), (2830, 457856), (2920, 443744), (3136, 413180), (3577, 362240), (3920, 330544), (3962, 327040), (4088, 316960), (4480, 289226), (4528, 286160), (4672, 277340), (5110, 253568), (5660, 228928), (5840, 221872), (6272, 206590), (7154, 181120), (7840, 165272), (7924, 163520), (8176, 158480), (8960, 144613), (9056, 143080), (9344, 138670), (9905, 130816), (10220, 126784), (11320, 114464), (11680, 110936), (12544, 103295), (13867, 93440), (14308, 90560), (15680, 82636), (15848, 81760), (16352, 79240), (17885, 72448), (18112, 71540), (18688, 69335), (19810, 65408), (20440, 63392), (20659, 62720), (22640, 57232), (23360, 55468), (27734, 46720), (28616, 45280), (31360, 41318), (31696, 40880), (32704, 39620), (35770, 36224)]