256392864

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1129

約数の個数: 240

約数和(自身を含む): 928908288

約数和(自身を除く): 672515424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 81, 84, 91, 96, 104, 108, 112, 117, 126, 144, 156, 162, 168, 182, 189, 208, 216, 224, 234, 252, 273, 288, 312, 324, 336, 351, 364, 378, 416, 432, 468, 504, 546, 567, 624, 648, 672, 702, 728, 756, 819, 864, 936, 1008, 1053, 1087, 1092, 1134, 1248, 1296, 1404, 1456, 1512, 1638, 1872, 2016, 2106, 2174, 2184, 2268, 2457, 2592, 2808, 2912, 3024, 3261, 3276, 3744, 4212, 4348, 4368, 4536, 4914, 5616, 6048, 6522, 6552, 7371, 7609, 8424, 8696, 8736, 9072, 9783, 9828, 11232, 13044, 13104, 14131, 14742, 15218, 16848, 17392, 18144, 19566, 19656, 22827, 26088, 26208, 28262, 29349, 29484, 30436, 33696, 34784, 39132, 39312, 42393, 45654, 52176, 56524, 58698, 58968, 60872, 68481, 78264, 78624, 84786, 88047, 91308, 98917, 104352, 113048, 117396, 117936, 121744, 127179, 136962, 156528, 169572, 176094, 182616, 197834, 205443, 226096, 234792, 235872, 243488, 254358, 273924, 296751, 313056, 339144, 352188, 365232, 381537, 395668, 410886, 452192, 469584, 508716, 547848, 593502, 616329, 678288, 704376, 730464, 763074, 791336, 821772, 890253, 939168, 1017432, 1095696, 1144611, 1187004, 1232658, 1356576, 1408752, 1526148, 1582672, 1643544, 1780506, 2034864, 2191392, 2289222, 2374008, 2465316, 2670759, 2817504, 3052296, 3165344, 3287088, 3561012, 4069728, 4578444, 4748016, 4930632, 5341518, 6104592, 6574176, 7122024, 8012277, 9156888, 9496032, 9861264, 10683036, 12209184, 14244048, 16024554, 18313776, 19722528, 21366072, 28488096, 32049108, 36627552, 42732144, 64098216, 85464288, 128196432, 256392864]

約数ペア:

[(1, 256392864), (2, 128196432), (3, 85464288), (4, 64098216), (6, 42732144), (7, 36627552), (8, 32049108), (9, 28488096), (12, 21366072), (13, 19722528), (14, 18313776), (16, 16024554), (18, 14244048), (21, 12209184), (24, 10683036), (26, 9861264), (27, 9496032), (28, 9156888), (32, 8012277), (36, 7122024), (39, 6574176), (42, 6104592), (48, 5341518), (52, 4930632), (54, 4748016), (56, 4578444), (63, 4069728), (72, 3561012), (78, 3287088), (81, 3165344), (84, 3052296), (91, 2817504), (96, 2670759), (104, 2465316), (108, 2374008), (112, 2289222), (117, 2191392), (126, 2034864), (144, 1780506), (156, 1643544), (162, 1582672), (168, 1526148), (182, 1408752), (189, 1356576), (208, 1232658), (216, 1187004), (224, 1144611), (234, 1095696), (252, 1017432), (273, 939168), (288, 890253), (312, 821772), (324, 791336), (336, 763074), (351, 730464), (364, 704376), (378, 678288), (416, 616329), (432, 593502), (468, 547848), (504, 508716), (546, 469584), (567, 452192), (624, 410886), (648, 395668), (672, 381537), (702, 365232), (728, 352188), (756, 339144), (819, 313056), (864, 296751), (936, 273924), (1008, 254358), (1053, 243488), (1087, 235872), (1092, 234792), (1134, 226096), (1248, 205443), (1296, 197834), (1404, 182616), (1456, 176094), (1512, 169572), (1638, 156528), (1872, 136962), (2016, 127179), (2106, 121744), (2174, 117936), (2184, 117396), (2268, 113048), (2457, 104352), (2592, 98917), (2808, 91308), (2912, 88047), (3024, 84786), (3261, 78624), (3276, 78264), (3744, 68481), (4212, 60872), (4348, 58968), (4368, 58698), (4536, 56524), (4914, 52176), (5616, 45654), (6048, 42393), (6522, 39312), (6552, 39132), (7371, 34784), (7609, 33696), (8424, 30436), (8696, 29484), (8736, 29349), (9072, 28262), (9783, 26208), (9828, 26088), (11232, 22827), (13044, 19656), (13104, 19566), (14131, 18144), (14742, 17392), (15218, 16848)]