15942520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1948

約数の個数: 64

約数和(自身を含む): 41212800

約数和(自身を除く): 25270280

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 1907, 2090, 3814, 4180, 7628, 8360, 9535, 15256, 19070, 20977, 36233, 38140, 41954, 72466, 76280, 83908, 104885, 144932, 167816, 181165, 209770, 289864, 362330, 398563, 419540, 724660, 797126, 839080, 1449320, 1594252, 1992815, 3188504, 3985630, 7971260, 15942520]

約数ペア:

[(1, 15942520), (2, 7971260), (4, 3985630), (5, 3188504), (8, 1992815), (10, 1594252), (11, 1449320), (19, 839080), (20, 797126), (22, 724660), (38, 419540), (40, 398563), (44, 362330), (55, 289864), (76, 209770), (88, 181165), (95, 167816), (110, 144932), (152, 104885), (190, 83908), (209, 76280), (220, 72466), (380, 41954), (418, 38140), (440, 36233), (760, 20977), (836, 19070), (1045, 15256), (1672, 9535), (1907, 8360), (2090, 7628), (3814, 4180)]