256722336

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:579

約数の個数: 144

約数和(自身を含む): 792529920

約数和(自身を除く): 535807584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 191, 208, 234, 288, 312, 359, 382, 416, 468, 573, 624, 718, 764, 936, 1077, 1146, 1248, 1436, 1528, 1719, 1872, 2154, 2292, 2483, 2872, 3056, 3231, 3438, 3744, 4308, 4584, 4667, 4966, 5744, 6112, 6462, 6876, 7449, 8616, 9168, 9334, 9932, 11488, 12924, 13752, 14001, 14898, 17232, 18336, 18668, 19864, 22347, 25848, 27504, 28002, 29796, 34464, 37336, 39728, 42003, 44694, 51696, 55008, 56004, 59592, 68569, 74672, 79456, 84006, 89388, 103392, 112008, 119184, 137138, 149344, 168012, 178776, 205707, 224016, 238368, 274276, 336024, 357552, 411414, 448032, 548552, 617121, 672048, 715104, 822828, 891397, 1097104, 1234242, 1344096, 1645656, 1782794, 2194208, 2468484, 2674191, 3291312, 3565588, 4936968, 5348382, 6582624, 7131176, 8022573, 9873936, 10696764, 14262352, 16045146, 19747872, 21393528, 28524704, 32090292, 42787056, 64180584, 85574112, 128361168, 256722336]

約数ペア:

[(1, 256722336), (2, 128361168), (3, 85574112), (4, 64180584), (6, 42787056), (8, 32090292), (9, 28524704), (12, 21393528), (13, 19747872), (16, 16045146), (18, 14262352), (24, 10696764), (26, 9873936), (32, 8022573), (36, 7131176), (39, 6582624), (48, 5348382), (52, 4936968), (72, 3565588), (78, 3291312), (96, 2674191), (104, 2468484), (117, 2194208), (144, 1782794), (156, 1645656), (191, 1344096), (208, 1234242), (234, 1097104), (288, 891397), (312, 822828), (359, 715104), (382, 672048), (416, 617121), (468, 548552), (573, 448032), (624, 411414), (718, 357552), (764, 336024), (936, 274276), (1077, 238368), (1146, 224016), (1248, 205707), (1436, 178776), (1528, 168012), (1719, 149344), (1872, 137138), (2154, 119184), (2292, 112008), (2483, 103392), (2872, 89388), (3056, 84006), (3231, 79456), (3438, 74672), (3744, 68569), (4308, 59592), (4584, 56004), (4667, 55008), (4966, 51696), (5744, 44694), (6112, 42003), (6462, 39728), (6876, 37336), (7449, 34464), (8616, 29796), (9168, 28002), (9334, 27504), (9932, 25848), (11488, 22347), (12924, 19864), (13752, 18668), (14001, 18336), (14898, 17232)]