81310980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{58921}}^1$

素因数の和:58956

約数の個数: 48

約数和(自身を含む): 237573504

約数和(自身を除く): 156262524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 58921, 117842, 176763, 235684, 294605, 353526, 589210, 707052, 883815, 1178420, 1355183, 1767630, 2710366, 3535260, 4065549, 5420732, 6775915, 8131098, 13551830, 16262196, 20327745, 27103660, 40655490, 81310980]

約数ペア:

[(1, 81310980), (2, 40655490), (3, 27103660), (4, 20327745), (5, 16262196), (6, 13551830), (10, 8131098), (12, 6775915), (15, 5420732), (20, 4065549), (23, 3535260), (30, 2710366), (46, 1767630), (60, 1355183), (69, 1178420), (92, 883815), (115, 707052), (138, 589210), (230, 353526), (276, 294605), (345, 235684), (460, 176763), (690, 117842), (1380, 58921)]