1312953040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{1091}}^1$

素因数の和:1425

約数の個数: 120

約数和(自身を含む): 3565834272

約数和(自身を除く): 2252881232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 307, 392, 490, 560, 614, 784, 980, 1091, 1228, 1535, 1960, 2149, 2182, 2456, 3070, 3920, 4298, 4364, 4912, 5455, 6140, 7637, 8596, 8728, 10745, 10910, 12280, 15043, 15274, 17192, 17456, 21490, 21820, 24560, 30086, 30548, 34384, 38185, 42980, 43640, 53459, 60172, 61096, 75215, 76370, 85960, 87280, 106918, 120344, 122192, 150430, 152740, 171920, 213836, 240688, 267295, 300860, 305480, 334937, 427672, 534590, 601720, 610960, 669874, 855344, 1069180, 1203440, 1339748, 1674685, 2138360, 2344559, 2679496, 3349370, 4276720, 4689118, 5358992, 6698740, 9378236, 11722795, 13397480, 16411913, 18756472, 23445590, 26794960, 32823826, 37512944, 46891180, 65647652, 82059565, 93782360, 131295304, 164119130, 187564720, 262590608, 328238260, 656476520, 1312953040]

約数ペア:

[(1, 1312953040), (2, 656476520), (4, 328238260), (5, 262590608), (7, 187564720), (8, 164119130), (10, 131295304), (14, 93782360), (16, 82059565), (20, 65647652), (28, 46891180), (35, 37512944), (40, 32823826), (49, 26794960), (56, 23445590), (70, 18756472), (80, 16411913), (98, 13397480), (112, 11722795), (140, 9378236), (196, 6698740), (245, 5358992), (280, 4689118), (307, 4276720), (392, 3349370), (490, 2679496), (560, 2344559), (614, 2138360), (784, 1674685), (980, 1339748), (1091, 1203440), (1228, 1069180), (1535, 855344), (1960, 669874), (2149, 610960), (2182, 601720), (2456, 534590), (3070, 427672), (3920, 334937), (4298, 305480), (4364, 300860), (4912, 267295), (5455, 240688), (6140, 213836), (7637, 171920), (8596, 152740), (8728, 150430), (10745, 122192), (10910, 120344), (12280, 106918), (15043, 87280), (15274, 85960), (17192, 76370), (17456, 75215), (21490, 61096), (21820, 60172), (24560, 53459), (30086, 43640), (30548, 42980), (34384, 38185)]