156014980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2857

約数の個数: 72

約数和(自身を含む): 375915456

約数和(自身を除く): 219900476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2783, 2803, 5060, 5566, 5606, 11132, 11212, 13915, 14015, 27830, 28030, 30833, 55660, 56060, 61666, 64469, 123332, 128938, 154165, 257876, 308330, 322345, 339163, 616660, 644690, 678326, 709159, 1289380, 1356652, 1418318, 1695815, 2836636, 3391630, 3545795, 6783260, 7091590, 7800749, 14183180, 15601498, 31202996, 39003745, 78007490, 156014980]

約数ペア:

[(1, 156014980), (2, 78007490), (4, 39003745), (5, 31202996), (10, 15601498), (11, 14183180), (20, 7800749), (22, 7091590), (23, 6783260), (44, 3545795), (46, 3391630), (55, 2836636), (92, 1695815), (110, 1418318), (115, 1356652), (121, 1289380), (220, 709159), (230, 678326), (242, 644690), (253, 616660), (460, 339163), (484, 322345), (506, 308330), (605, 257876), (1012, 154165), (1210, 128938), (1265, 123332), (2420, 64469), (2530, 61666), (2783, 56060), (2803, 55660), (5060, 30833), (5566, 28030), (5606, 27830), (11132, 14015), (11212, 13915)]