28827680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3677}}^1$

素因数の和:3706

約数の個数: 72

約数和(自身を含む): 79246188

約数和(自身を除く): 50418508

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, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3677, 3920, 7354, 7840, 14708, 18385, 25739, 29416, 36770, 51478, 58832, 73540, 102956, 117664, 128695, 147080, 180173, 205912, 257390, 294160, 360346, 411824, 514780, 588320, 720692, 823648, 900865, 1029560, 1441384, 1801730, 2059120, 2882768, 3603460, 4118240, 5765536, 7206920, 14413840, 28827680]

約数ペア:

[(1, 28827680), (2, 14413840), (4, 7206920), (5, 5765536), (7, 4118240), (8, 3603460), (10, 2882768), (14, 2059120), (16, 1801730), (20, 1441384), (28, 1029560), (32, 900865), (35, 823648), (40, 720692), (49, 588320), (56, 514780), (70, 411824), (80, 360346), (98, 294160), (112, 257390), (140, 205912), (160, 180173), (196, 147080), (224, 128695), (245, 117664), (280, 102956), (392, 73540), (490, 58832), (560, 51478), (784, 36770), (980, 29416), (1120, 25739), (1568, 18385), (1960, 14708), (3677, 7840), (3920, 7354)]