256490304

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 168

約数和(自身を含む): 799185600

約数和(自身を除く): 542695296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 137, 147, 168, 192, 196, 199, 224, 274, 294, 336, 392, 398, 411, 448, 548, 588, 597, 672, 784, 796, 822, 959, 1096, 1176, 1194, 1344, 1393, 1568, 1592, 1644, 1918, 2192, 2352, 2388, 2786, 2877, 3136, 3184, 3288, 3836, 4179, 4384, 4704, 4776, 5572, 5754, 6368, 6576, 6713, 7672, 8358, 8768, 9408, 9552, 9751, 11144, 11508, 12736, 13152, 13426, 15344, 16716, 19104, 19502, 20139, 22288, 23016, 26304, 26852, 27263, 29253, 30688, 33432, 38208, 39004, 40278, 44576, 46032, 53704, 54526, 58506, 61376, 66864, 78008, 80556, 81789, 89152, 92064, 107408, 109052, 117012, 133728, 156016, 161112, 163578, 184128, 190841, 214816, 218104, 234024, 267456, 312032, 322224, 327156, 381682, 429632, 436208, 468048, 572523, 624064, 644448, 654312, 763364, 872416, 936096, 1145046, 1288896, 1308624, 1335887, 1526728, 1744832, 1872192, 2290092, 2617248, 2671774, 3053456, 4007661, 4580184, 5234496, 5343548, 6106912, 8015322, 9160368, 10687096, 12213824, 16030644, 18320736, 21374192, 32061288, 36641472, 42748384, 64122576, 85496768, 128245152, 256490304]

約数ペア:

[(1, 256490304), (2, 128245152), (3, 85496768), (4, 64122576), (6, 42748384), (7, 36641472), (8, 32061288), (12, 21374192), (14, 18320736), (16, 16030644), (21, 12213824), (24, 10687096), (28, 9160368), (32, 8015322), (42, 6106912), (48, 5343548), (49, 5234496), (56, 4580184), (64, 4007661), (84, 3053456), (96, 2671774), (98, 2617248), (112, 2290092), (137, 1872192), (147, 1744832), (168, 1526728), (192, 1335887), (196, 1308624), (199, 1288896), (224, 1145046), (274, 936096), (294, 872416), (336, 763364), (392, 654312), (398, 644448), (411, 624064), (448, 572523), (548, 468048), (588, 436208), (597, 429632), (672, 381682), (784, 327156), (796, 322224), (822, 312032), (959, 267456), (1096, 234024), (1176, 218104), (1194, 214816), (1344, 190841), (1393, 184128), (1568, 163578), (1592, 161112), (1644, 156016), (1918, 133728), (2192, 117012), (2352, 109052), (2388, 107408), (2786, 92064), (2877, 89152), (3136, 81789), (3184, 80556), (3288, 78008), (3836, 66864), (4179, 61376), (4384, 58506), (4704, 54526), (4776, 53704), (5572, 46032), (5754, 44576), (6368, 40278), (6576, 39004), (6713, 38208), (7672, 33432), (8358, 30688), (8768, 29253), (9408, 27263), (9552, 26852), (9751, 26304), (11144, 23016), (11508, 22288), (12736, 20139), (13152, 19502), (13426, 19104), (15344, 16716)]