77667780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2447}}^1$

素因数の和:2505

約数の個数: 72

約数和(自身を含む): 227428992

約数和(自身を除く): 149761212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 1058, 1380, 1587, 2116, 2447, 2645, 3174, 4894, 5290, 6348, 7341, 7935, 9788, 10580, 12235, 14682, 15870, 24470, 29364, 31740, 36705, 48940, 56281, 73410, 112562, 146820, 168843, 225124, 281405, 337686, 562810, 675372, 844215, 1125620, 1294463, 1688430, 2588926, 3376860, 3883389, 5177852, 6472315, 7766778, 12944630, 15533556, 19416945, 25889260, 38833890, 77667780]

約数ペア:

[(1, 77667780), (2, 38833890), (3, 25889260), (4, 19416945), (5, 15533556), (6, 12944630), (10, 7766778), (12, 6472315), (15, 5177852), (20, 3883389), (23, 3376860), (30, 2588926), (46, 1688430), (60, 1294463), (69, 1125620), (92, 844215), (115, 675372), (138, 562810), (230, 337686), (276, 281405), (345, 225124), (460, 168843), (529, 146820), (690, 112562), (1058, 73410), (1380, 56281), (1587, 48940), (2116, 36705), (2447, 31740), (2645, 29364), (3174, 24470), (4894, 15870), (5290, 14682), (6348, 12235), (7341, 10580), (7935, 9788)]