12684760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 18833960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 227, 254, 440, 454, 508, 635, 908, 1016, 1135, 1270, 1397, 1816, 2270, 2497, 2540, 2794, 4540, 4994, 5080, 5588, 6985, 9080, 9988, 11176, 12485, 13970, 19976, 24970, 27940, 28829, 49940, 55880, 57658, 99880, 115316, 144145, 230632, 288290, 317119, 576580, 634238, 1153160, 1268476, 1585595, 2536952, 3171190, 6342380, 12684760]

約数ペア:

[(1, 12684760), (2, 6342380), (4, 3171190), (5, 2536952), (8, 1585595), (10, 1268476), (11, 1153160), (20, 634238), (22, 576580), (40, 317119), (44, 288290), (55, 230632), (88, 144145), (110, 115316), (127, 99880), (220, 57658), (227, 55880), (254, 49940), (440, 28829), (454, 27940), (508, 24970), (635, 19976), (908, 13970), (1016, 12485), (1135, 11176), (1270, 9988), (1397, 9080), (1816, 6985), (2270, 5588), (2497, 5080), (2540, 4994), (2794, 4540)]