15001520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 37711872

約数和(自身を除く): 22710352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 263, 310, 368, 460, 496, 526, 620, 713, 920, 1052, 1240, 1315, 1426, 1840, 2104, 2480, 2630, 2852, 3565, 4208, 5260, 5704, 6049, 7130, 8153, 10520, 11408, 12098, 14260, 16306, 21040, 24196, 28520, 30245, 32612, 40765, 48392, 57040, 60490, 65224, 81530, 96784, 120980, 130448, 163060, 187519, 241960, 326120, 375038, 483920, 652240, 750076, 937595, 1500152, 1875190, 3000304, 3750380, 7500760, 15001520]

約数ペア:

[(1, 15001520), (2, 7500760), (4, 3750380), (5, 3000304), (8, 1875190), (10, 1500152), (16, 937595), (20, 750076), (23, 652240), (31, 483920), (40, 375038), (46, 326120), (62, 241960), (80, 187519), (92, 163060), (115, 130448), (124, 120980), (155, 96784), (184, 81530), (230, 65224), (248, 60490), (263, 57040), (310, 48392), (368, 40765), (460, 32612), (496, 30245), (526, 28520), (620, 24196), (713, 21040), (920, 16306), (1052, 14260), (1240, 12098), (1315, 11408), (1426, 10520), (1840, 8153), (2104, 7130), (2480, 6049), (2630, 5704), (2852, 5260), (3565, 4208)]