81457980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33113}}^1$

素因数の和:33166

約数の個数: 48

約数和(自身を含む): 233652384

約数和(自身を除く): 152194404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 33113, 66226, 99339, 132452, 165565, 198678, 331130, 397356, 496695, 662260, 993390, 1357633, 1986780, 2715266, 4072899, 5430532, 6788165, 8145798, 13576330, 16291596, 20364495, 27152660, 40728990, 81457980]

約数ペア:

[(1, 81457980), (2, 40728990), (3, 27152660), (4, 20364495), (5, 16291596), (6, 13576330), (10, 8145798), (12, 6788165), (15, 5430532), (20, 4072899), (30, 2715266), (41, 1986780), (60, 1357633), (82, 993390), (123, 662260), (164, 496695), (205, 397356), (246, 331130), (410, 198678), (492, 165565), (615, 132452), (820, 99339), (1230, 66226), (2460, 33113)]