128536890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2693}}^1$

素因数の和:2783

約数の個数: 64

約数和(自身を含む): 324314496

約数和(自身を除く): 195777606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 74, 86, 111, 129, 185, 215, 222, 258, 370, 430, 555, 645, 1110, 1290, 1591, 2693, 3182, 4773, 5386, 7955, 8079, 9546, 13465, 15910, 16158, 23865, 26930, 40395, 47730, 80790, 99641, 115799, 199282, 231598, 298923, 347397, 498205, 578995, 597846, 694794, 996410, 1157990, 1494615, 1736985, 2989230, 3473970, 4284563, 8569126, 12853689, 21422815, 25707378, 42845630, 64268445, 128536890]

約数ペア:

[(1, 128536890), (2, 64268445), (3, 42845630), (5, 25707378), (6, 21422815), (10, 12853689), (15, 8569126), (30, 4284563), (37, 3473970), (43, 2989230), (74, 1736985), (86, 1494615), (111, 1157990), (129, 996410), (185, 694794), (215, 597846), (222, 578995), (258, 498205), (370, 347397), (430, 298923), (555, 231598), (645, 199282), (1110, 115799), (1290, 99641), (1591, 80790), (2693, 47730), (3182, 40395), (4773, 26930), (5386, 23865), (7955, 16158), (8079, 15910), (9546, 13465)]