1237980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 3548160

約数和(自身を除く): 2310180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 439, 470, 564, 705, 878, 940, 1317, 1410, 1756, 2195, 2634, 2820, 4390, 5268, 6585, 8780, 13170, 20633, 26340, 41266, 61899, 82532, 103165, 123798, 206330, 247596, 309495, 412660, 618990, 1237980]

約数ペア:

[(1, 1237980), (2, 618990), (3, 412660), (4, 309495), (5, 247596), (6, 206330), (10, 123798), (12, 103165), (15, 82532), (20, 61899), (30, 41266), (47, 26340), (60, 20633), (94, 13170), (141, 8780), (188, 6585), (235, 5268), (282, 4390), (439, 2820), (470, 2634), (564, 2195), (705, 1756), (878, 1410), (940, 1317)]