78626820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18457}}^1$

素因数の和:18540

約数の個数: 48

約数和(自身を含む): 223267968

約数和(自身を除く): 144641148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 18457, 36914, 55371, 73828, 92285, 110742, 184570, 221484, 276855, 369140, 553710, 1107420, 1310447, 2620894, 3931341, 5241788, 6552235, 7862682, 13104470, 15725364, 19656705, 26208940, 39313410, 78626820]

約数ペア:

[(1, 78626820), (2, 39313410), (3, 26208940), (4, 19656705), (5, 15725364), (6, 13104470), (10, 7862682), (12, 6552235), (15, 5241788), (20, 3931341), (30, 2620894), (60, 1310447), (71, 1107420), (142, 553710), (213, 369140), (284, 276855), (355, 221484), (426, 184570), (710, 110742), (852, 92285), (1065, 73828), (1420, 55371), (2130, 36914), (4260, 18457)]