810201680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{1567}}^1$

素因数の和:1884

約数の個数: 80

約数和(自身を含む): 1973873664

約数和(自身を除く): 1163671984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 281, 368, 460, 562, 920, 1124, 1405, 1567, 1840, 2248, 2810, 3134, 4496, 5620, 6268, 6463, 7835, 11240, 12536, 12926, 15670, 22480, 25072, 25852, 31340, 32315, 36041, 51704, 62680, 64630, 72082, 103408, 125360, 129260, 144164, 180205, 258520, 288328, 360410, 440327, 517040, 576656, 720820, 880654, 1441640, 1761308, 2201635, 2883280, 3522616, 4403270, 7045232, 8806540, 10127521, 17613080, 20255042, 35226160, 40510084, 50637605, 81020168, 101275210, 162040336, 202550420, 405100840, 810201680]

約数ペア:

[(1, 810201680), (2, 405100840), (4, 202550420), (5, 162040336), (8, 101275210), (10, 81020168), (16, 50637605), (20, 40510084), (23, 35226160), (40, 20255042), (46, 17613080), (80, 10127521), (92, 8806540), (115, 7045232), (184, 4403270), (230, 3522616), (281, 2883280), (368, 2201635), (460, 1761308), (562, 1441640), (920, 880654), (1124, 720820), (1405, 576656), (1567, 517040), (1840, 440327), (2248, 360410), (2810, 288328), (3134, 258520), (4496, 180205), (5620, 144164), (6268, 129260), (6463, 125360), (7835, 103408), (11240, 72082), (12536, 64630), (12926, 62680), (15670, 51704), (22480, 36041), (25072, 32315), (25852, 31340)]