57757280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 162887760

約数和(自身を除く): 105130480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 139, 140, 160, 196, 212, 224, 245, 265, 278, 280, 371, 392, 424, 490, 530, 556, 560, 695, 742, 784, 848, 973, 980, 1060, 1112, 1120, 1390, 1484, 1568, 1696, 1855, 1946, 1960, 2120, 2224, 2597, 2780, 2968, 3710, 3892, 3920, 4240, 4448, 4865, 5194, 5560, 5936, 6811, 7367, 7420, 7784, 7840, 8480, 9730, 10388, 11120, 11872, 12985, 13622, 14734, 14840, 15568, 19460, 20776, 22240, 25970, 27244, 29468, 29680, 31136, 34055, 36835, 38920, 41552, 51569, 51940, 54488, 58936, 59360, 68110, 73670, 77840, 83104, 103138, 103880, 108976, 117872, 136220, 147340, 155680, 206276, 207760, 217952, 235744, 257845, 272440, 294680, 360983, 412552, 415520, 515690, 544880, 589360, 721966, 825104, 1031380, 1089760, 1178720, 1443932, 1650208, 1804915, 2062760, 2887864, 3609830, 4125520, 5775728, 7219660, 8251040, 11551456, 14439320, 28878640, 57757280]

約数ペア:

[(1, 57757280), (2, 28878640), (4, 14439320), (5, 11551456), (7, 8251040), (8, 7219660), (10, 5775728), (14, 4125520), (16, 3609830), (20, 2887864), (28, 2062760), (32, 1804915), (35, 1650208), (40, 1443932), (49, 1178720), (53, 1089760), (56, 1031380), (70, 825104), (80, 721966), (98, 589360), (106, 544880), (112, 515690), (139, 415520), (140, 412552), (160, 360983), (196, 294680), (212, 272440), (224, 257845), (245, 235744), (265, 217952), (278, 207760), (280, 206276), (371, 155680), (392, 147340), (424, 136220), (490, 117872), (530, 108976), (556, 103880), (560, 103138), (695, 83104), (742, 77840), (784, 73670), (848, 68110), (973, 59360), (980, 58936), (1060, 54488), (1112, 51940), (1120, 51569), (1390, 41552), (1484, 38920), (1568, 36835), (1696, 34055), (1855, 31136), (1946, 29680), (1960, 29468), (2120, 27244), (2224, 25970), (2597, 22240), (2780, 20776), (2968, 19460), (3710, 15568), (3892, 14840), (3920, 14734), (4240, 13622), (4448, 12985), (4865, 11872), (5194, 11120), (5560, 10388), (5936, 9730), (6811, 8480), (7367, 7840), (7420, 7784)]