256374216

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 192

約数和(自身を含む): 835660800

約数和(自身を除く): 579286584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 56, 61, 62, 63, 72, 84, 93, 122, 124, 126, 168, 183, 186, 217, 244, 248, 252, 269, 279, 366, 372, 427, 434, 488, 504, 538, 549, 558, 651, 732, 744, 807, 854, 868, 1076, 1098, 1116, 1281, 1302, 1464, 1614, 1708, 1736, 1883, 1891, 1953, 2152, 2196, 2232, 2421, 2562, 2604, 3228, 3416, 3766, 3782, 3843, 3906, 4392, 4842, 5124, 5208, 5649, 5673, 6456, 7532, 7564, 7686, 7812, 8339, 9684, 10248, 11298, 11346, 13237, 15064, 15128, 15372, 15624, 16409, 16678, 16947, 17019, 19368, 22596, 22692, 25017, 26474, 30744, 32818, 33356, 33894, 34038, 39711, 45192, 45384, 49227, 50034, 52948, 58373, 65636, 66712, 67788, 68076, 75051, 79422, 98454, 100068, 105896, 114863, 116746, 119133, 131272, 135576, 136152, 147681, 150102, 158844, 175119, 196908, 200136, 229726, 233492, 238266, 295362, 300204, 317688, 344589, 350238, 393816, 459452, 466984, 476532, 508679, 525357, 590724, 600408, 689178, 700476, 918904, 953064, 1017358, 1033767, 1050714, 1181448, 1378356, 1400952, 1526037, 2034716, 2067534, 2101428, 2756712, 3052074, 3560753, 4069432, 4135068, 4202856, 4578111, 6104148, 7121506, 8270136, 9156222, 10682259, 12208296, 14243012, 18312444, 21364518, 28486024, 32046777, 36624888, 42729036, 64093554, 85458072, 128187108, 256374216]

約数ペア:

[(1, 256374216), (2, 128187108), (3, 85458072), (4, 64093554), (6, 42729036), (7, 36624888), (8, 32046777), (9, 28486024), (12, 21364518), (14, 18312444), (18, 14243012), (21, 12208296), (24, 10682259), (28, 9156222), (31, 8270136), (36, 7121506), (42, 6104148), (56, 4578111), (61, 4202856), (62, 4135068), (63, 4069432), (72, 3560753), (84, 3052074), (93, 2756712), (122, 2101428), (124, 2067534), (126, 2034716), (168, 1526037), (183, 1400952), (186, 1378356), (217, 1181448), (244, 1050714), (248, 1033767), (252, 1017358), (269, 953064), (279, 918904), (366, 700476), (372, 689178), (427, 600408), (434, 590724), (488, 525357), (504, 508679), (538, 476532), (549, 466984), (558, 459452), (651, 393816), (732, 350238), (744, 344589), (807, 317688), (854, 300204), (868, 295362), (1076, 238266), (1098, 233492), (1116, 229726), (1281, 200136), (1302, 196908), (1464, 175119), (1614, 158844), (1708, 150102), (1736, 147681), (1883, 136152), (1891, 135576), (1953, 131272), (2152, 119133), (2196, 116746), (2232, 114863), (2421, 105896), (2562, 100068), (2604, 98454), (3228, 79422), (3416, 75051), (3766, 68076), (3782, 67788), (3843, 66712), (3906, 65636), (4392, 58373), (4842, 52948), (5124, 50034), (5208, 49227), (5649, 45384), (5673, 45192), (6456, 39711), (7532, 34038), (7564, 33894), (7686, 33356), (7812, 32818), (8339, 30744), (9684, 26474), (10248, 25017), (11298, 22692), (11346, 22596), (13237, 19368), (15064, 17019), (15128, 16947), (15372, 16678), (15624, 16409)]