31316790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 77584320

約数和(自身を除く): 46267530

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 109, 122, 157, 183, 218, 305, 314, 327, 366, 471, 545, 610, 654, 785, 915, 942, 1090, 1570, 1635, 1830, 2355, 3270, 4710, 6649, 9577, 13298, 17113, 19154, 19947, 28731, 33245, 34226, 39894, 47885, 51339, 57462, 66490, 85565, 95770, 99735, 102678, 143655, 171130, 199470, 256695, 287310, 513390, 1043893, 2087786, 3131679, 5219465, 6263358, 10438930, 15658395, 31316790]

約数ペア:

[(1, 31316790), (2, 15658395), (3, 10438930), (5, 6263358), (6, 5219465), (10, 3131679), (15, 2087786), (30, 1043893), (61, 513390), (109, 287310), (122, 256695), (157, 199470), (183, 171130), (218, 143655), (305, 102678), (314, 99735), (327, 95770), (366, 85565), (471, 66490), (545, 57462), (610, 51339), (654, 47885), (785, 39894), (915, 34226), (942, 33245), (1090, 28731), (1570, 19947), (1635, 19154), (1830, 17113), (2355, 13298), (3270, 9577), (4710, 6649)]