1296758860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^3\times {\mathrm{73}}^2$

素因数の和:224

約数の個数: 72

約数和(自身を含む): 2886498720

約数和(自身を除く): 1589739860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 529, 730, 1058, 1460, 1679, 2116, 2645, 3358, 5290, 5329, 6716, 8395, 10580, 10658, 12167, 16790, 21316, 24334, 26645, 33580, 38617, 48668, 53290, 60835, 77234, 106580, 121670, 122567, 154468, 193085, 243340, 245134, 386170, 490268, 612835, 772340, 888191, 1225670, 1776382, 2451340, 2819041, 3552764, 4440955, 5638082, 8881910, 11276164, 14095205, 17763820, 28190410, 56380820, 64837943, 129675886, 259351772, 324189715, 648379430, 1296758860]

約数ペア:

[(1, 1296758860), (2, 648379430), (4, 324189715), (5, 259351772), (10, 129675886), (20, 64837943), (23, 56380820), (46, 28190410), (73, 17763820), (92, 14095205), (115, 11276164), (146, 8881910), (230, 5638082), (292, 4440955), (365, 3552764), (460, 2819041), (529, 2451340), (730, 1776382), (1058, 1225670), (1460, 888191), (1679, 772340), (2116, 612835), (2645, 490268), (3358, 386170), (5290, 245134), (5329, 243340), (6716, 193085), (8395, 154468), (10580, 122567), (10658, 121670), (12167, 106580), (16790, 77234), (21316, 60835), (24334, 53290), (26645, 48668), (33580, 38617)]