6721520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 17623872

約数和(自身を除く): 10902352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 281, 299, 368, 460, 520, 562, 598, 920, 1040, 1124, 1196, 1405, 1495, 1840, 2248, 2392, 2810, 2990, 3653, 4496, 4784, 5620, 5980, 6463, 7306, 11240, 11960, 12926, 14612, 18265, 22480, 23920, 25852, 29224, 32315, 36530, 51704, 58448, 64630, 73060, 84019, 103408, 129260, 146120, 168038, 258520, 292240, 336076, 420095, 517040, 672152, 840190, 1344304, 1680380, 3360760, 6721520]

約数ペア:

[(1, 6721520), (2, 3360760), (4, 1680380), (5, 1344304), (8, 840190), (10, 672152), (13, 517040), (16, 420095), (20, 336076), (23, 292240), (26, 258520), (40, 168038), (46, 146120), (52, 129260), (65, 103408), (80, 84019), (92, 73060), (104, 64630), (115, 58448), (130, 51704), (184, 36530), (208, 32315), (230, 29224), (260, 25852), (281, 23920), (299, 22480), (368, 18265), (460, 14612), (520, 12926), (562, 11960), (598, 11240), (920, 7306), (1040, 6463), (1124, 5980), (1196, 5620), (1405, 4784), (1495, 4496), (1840, 3653), (2248, 2990), (2392, 2810)]