321760656

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1530

約数の個数: 180

約数和(自身を含む): 1082025984

約数和(自身を除く): 760265328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 49, 56, 62, 63, 72, 84, 93, 98, 112, 124, 126, 144, 147, 168, 186, 196, 217, 248, 252, 279, 294, 336, 372, 392, 434, 441, 496, 504, 558, 588, 651, 744, 784, 868, 882, 1008, 1116, 1176, 1302, 1471, 1488, 1519, 1736, 1764, 1953, 2232, 2352, 2604, 2942, 3038, 3472, 3528, 3906, 4413, 4464, 4557, 5208, 5884, 6076, 7056, 7812, 8826, 9114, 10297, 10416, 11768, 12152, 13239, 13671, 15624, 17652, 18228, 20594, 23536, 24304, 26478, 27342, 30891, 31248, 35304, 36456, 41188, 45601, 52956, 54684, 61782, 70608, 72079, 72912, 82376, 91202, 92673, 105912, 109368, 123564, 136803, 144158, 164752, 182404, 185346, 211824, 216237, 218736, 247128, 273606, 288316, 319207, 364808, 370692, 410409, 432474, 494256, 547212, 576632, 638414, 648711, 729616, 741384, 820818, 864948, 957621, 1094424, 1153264, 1276828, 1297422, 1482768, 1641636, 1729896, 1915242, 2188848, 2234449, 2553656, 2594844, 2872863, 3283272, 3459792, 3830484, 4468898, 5107312, 5189688, 5745726, 6566544, 6703347, 7660968, 8937796, 10379376, 11491452, 13406694, 15321936, 17875592, 20110041, 22982904, 26813388, 35751184, 40220082, 45965808, 53626776, 80440164, 107253552, 160880328, 321760656]

約数ペア:

[(1, 321760656), (2, 160880328), (3, 107253552), (4, 80440164), (6, 53626776), (7, 45965808), (8, 40220082), (9, 35751184), (12, 26813388), (14, 22982904), (16, 20110041), (18, 17875592), (21, 15321936), (24, 13406694), (28, 11491452), (31, 10379376), (36, 8937796), (42, 7660968), (48, 6703347), (49, 6566544), (56, 5745726), (62, 5189688), (63, 5107312), (72, 4468898), (84, 3830484), (93, 3459792), (98, 3283272), (112, 2872863), (124, 2594844), (126, 2553656), (144, 2234449), (147, 2188848), (168, 1915242), (186, 1729896), (196, 1641636), (217, 1482768), (248, 1297422), (252, 1276828), (279, 1153264), (294, 1094424), (336, 957621), (372, 864948), (392, 820818), (434, 741384), (441, 729616), (496, 648711), (504, 638414), (558, 576632), (588, 547212), (651, 494256), (744, 432474), (784, 410409), (868, 370692), (882, 364808), (1008, 319207), (1116, 288316), (1176, 273606), (1302, 247128), (1471, 218736), (1488, 216237), (1519, 211824), (1736, 185346), (1764, 182404), (1953, 164752), (2232, 144158), (2352, 136803), (2604, 123564), (2942, 109368), (3038, 105912), (3472, 92673), (3528, 91202), (3906, 82376), (4413, 72912), (4464, 72079), (4557, 70608), (5208, 61782), (5884, 54684), (6076, 52956), (7056, 45601), (7812, 41188), (8826, 36456), (9114, 35304), (10297, 31248), (10416, 30891), (11768, 27342), (12152, 26478), (13239, 24304), (13671, 23536), (15624, 20594), (17652, 18228)]