1779680

素因数分解:

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

素因数の和:256

約数の個数: 72

約数和(自身を含む): 4912488

約数和(自身を除く): 3132808

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, 392, 454, 490, 560, 784, 908, 980, 1120, 1135, 1568, 1589, 1816, 1960, 2270, 3178, 3632, 3920, 4540, 6356, 7264, 7840, 7945, 9080, 11123, 12712, 15890, 18160, 22246, 25424, 31780, 36320, 44492, 50848, 55615, 63560, 88984, 111230, 127120, 177968, 222460, 254240, 355936, 444920, 889840, 1779680]

約数ペア:

[(1, 1779680), (2, 889840), (4, 444920), (5, 355936), (7, 254240), (8, 222460), (10, 177968), (14, 127120), (16, 111230), (20, 88984), (28, 63560), (32, 55615), (35, 50848), (40, 44492), (49, 36320), (56, 31780), (70, 25424), (80, 22246), (98, 18160), (112, 15890), (140, 12712), (160, 11123), (196, 9080), (224, 7945), (227, 7840), (245, 7264), (280, 6356), (392, 4540), (454, 3920), (490, 3632), (560, 3178), (784, 2270), (908, 1960), (980, 1816), (1120, 1589), (1135, 1568)]