12457760

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{227}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 34473600

約数和(自身を除く): 22015840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 227, 245, 280, 343, 392, 454, 490, 560, 686, 784, 908, 980, 1120, 1135, 1372, 1568, 1589, 1715, 1816, 1960, 2270, 2744, 3178, 3430, 3632, 3920, 4540, 5488, 6356, 6860, 7264, 7840, 7945, 9080, 10976, 11123, 12712, 13720, 15890, 18160, 22246, 25424, 27440, 31780, 36320, 44492, 50848, 54880, 55615, 63560, 77861, 88984, 111230, 127120, 155722, 177968, 222460, 254240, 311444, 355936, 389305, 444920, 622888, 778610, 889840, 1245776, 1557220, 1779680, 2491552, 3114440, 6228880, 12457760]

約数ペア:

[(1, 12457760), (2, 6228880), (4, 3114440), (5, 2491552), (7, 1779680), (8, 1557220), (10, 1245776), (14, 889840), (16, 778610), (20, 622888), (28, 444920), (32, 389305), (35, 355936), (40, 311444), (49, 254240), (56, 222460), (70, 177968), (80, 155722), (98, 127120), (112, 111230), (140, 88984), (160, 77861), (196, 63560), (224, 55615), (227, 54880), (245, 50848), (280, 44492), (343, 36320), (392, 31780), (454, 27440), (490, 25424), (560, 22246), (686, 18160), (784, 15890), (908, 13720), (980, 12712), (1120, 11123), (1135, 10976), (1372, 9080), (1568, 7945), (1589, 7840), (1715, 7264), (1816, 6860), (1960, 6356), (2270, 5488), (2744, 4540), (3178, 3920), (3430, 3632)]