30513280

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 85680000

約数和(自身を除く): 55166720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 139, 140, 160, 196, 224, 245, 278, 280, 320, 343, 392, 448, 490, 556, 560, 640, 686, 695, 784, 896, 973, 980, 1112, 1120, 1372, 1390, 1568, 1715, 1946, 1960, 2224, 2240, 2744, 2780, 3136, 3430, 3892, 3920, 4448, 4480, 4865, 5488, 5560, 6272, 6811, 6860, 7784, 7840, 8896, 9730, 10976, 11120, 13622, 13720, 15568, 15680, 17792, 19460, 21952, 22240, 27244, 27440, 31136, 31360, 34055, 38920, 43904, 44480, 47677, 54488, 54880, 62272, 68110, 77840, 88960, 95354, 108976, 109760, 124544, 136220, 155680, 190708, 217952, 219520, 238385, 272440, 311360, 381416, 435904, 476770, 544880, 622720, 762832, 871808, 953540, 1089760, 1525664, 1907080, 2179520, 3051328, 3814160, 4359040, 6102656, 7628320, 15256640, 30513280]

約数ペア:

[(1, 30513280), (2, 15256640), (4, 7628320), (5, 6102656), (7, 4359040), (8, 3814160), (10, 3051328), (14, 2179520), (16, 1907080), (20, 1525664), (28, 1089760), (32, 953540), (35, 871808), (40, 762832), (49, 622720), (56, 544880), (64, 476770), (70, 435904), (80, 381416), (98, 311360), (112, 272440), (128, 238385), (139, 219520), (140, 217952), (160, 190708), (196, 155680), (224, 136220), (245, 124544), (278, 109760), (280, 108976), (320, 95354), (343, 88960), (392, 77840), (448, 68110), (490, 62272), (556, 54880), (560, 54488), (640, 47677), (686, 44480), (695, 43904), (784, 38920), (896, 34055), (973, 31360), (980, 31136), (1112, 27440), (1120, 27244), (1372, 22240), (1390, 21952), (1568, 19460), (1715, 17792), (1946, 15680), (1960, 15568), (2224, 13720), (2240, 13622), (2744, 11120), (2780, 10976), (3136, 9730), (3430, 8896), (3892, 7840), (3920, 7784), (4448, 6860), (4480, 6811), (4865, 6272), (5488, 5560)]