78256680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1427}}^1$

素因数の和:1898

約数の個数: 64

約数和(自身を含む): 235448640

約数和(自身を除く): 157191960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 457, 914, 1371, 1427, 1828, 2285, 2742, 2854, 3656, 4281, 4570, 5484, 5708, 6855, 7135, 8562, 9140, 10968, 11416, 13710, 14270, 17124, 18280, 21405, 27420, 28540, 34248, 42810, 54840, 57080, 85620, 171240, 652139, 1304278, 1956417, 2608556, 3260695, 3912834, 5217112, 6521390, 7825668, 9782085, 13042780, 15651336, 19564170, 26085560, 39128340, 78256680]

約数ペア:

[(1, 78256680), (2, 39128340), (3, 26085560), (4, 19564170), (5, 15651336), (6, 13042780), (8, 9782085), (10, 7825668), (12, 6521390), (15, 5217112), (20, 3912834), (24, 3260695), (30, 2608556), (40, 1956417), (60, 1304278), (120, 652139), (457, 171240), (914, 85620), (1371, 57080), (1427, 54840), (1828, 42810), (2285, 34248), (2742, 28540), (2854, 27420), (3656, 21405), (4281, 18280), (4570, 17124), (5484, 14270), (5708, 13710), (6855, 11416), (7135, 10968), (8562, 9140)]