321055488

素因数分解:

$2^8\times 3^5\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 216

約数和(自身を含む): 1036414288

約数和(自身を除く): 715358800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 243, 256, 288, 312, 324, 351, 384, 397, 416, 432, 468, 486, 576, 624, 648, 702, 768, 794, 832, 864, 936, 972, 1053, 1152, 1191, 1248, 1296, 1404, 1588, 1664, 1728, 1872, 1944, 2106, 2304, 2382, 2496, 2592, 2808, 3159, 3176, 3328, 3456, 3573, 3744, 3888, 4212, 4764, 4992, 5161, 5184, 5616, 6318, 6352, 6912, 7146, 7488, 7776, 8424, 9528, 9984, 10322, 10368, 10719, 11232, 12636, 12704, 14292, 14976, 15483, 15552, 16848, 19056, 20644, 20736, 21438, 22464, 25272, 25408, 28584, 29952, 30966, 31104, 32157, 33696, 38112, 41288, 42876, 44928, 46449, 50544, 50816, 57168, 61932, 62208, 64314, 67392, 76224, 82576, 85752, 89856, 92898, 96471, 101088, 101632, 114336, 123864, 128628, 134784, 139347, 152448, 165152, 171504, 185796, 192942, 202176, 228672, 247728, 257256, 269568, 278694, 304896, 330304, 343008, 371592, 385884, 404352, 418041, 457344, 495456, 514512, 557388, 660608, 686016, 743184, 771768, 808704, 836082, 914688, 990912, 1029024, 1114776, 1254123, 1321216, 1372032, 1486368, 1543536, 1672164, 1981824, 2058048, 2229552, 2508246, 2744064, 2972736, 3087072, 3344328, 3963648, 4116096, 4459104, 5016492, 5945472, 6174144, 6688656, 8232192, 8918208, 10032984, 11890944, 12348288, 13377312, 17836416, 20065968, 24696576, 26754624, 35672832, 40131936, 53509248, 80263872, 107018496, 160527744, 321055488]

約数ペア:

[(1, 321055488), (2, 160527744), (3, 107018496), (4, 80263872), (6, 53509248), (8, 40131936), (9, 35672832), (12, 26754624), (13, 24696576), (16, 20065968), (18, 17836416), (24, 13377312), (26, 12348288), (27, 11890944), (32, 10032984), (36, 8918208), (39, 8232192), (48, 6688656), (52, 6174144), (54, 5945472), (64, 5016492), (72, 4459104), (78, 4116096), (81, 3963648), (96, 3344328), (104, 3087072), (108, 2972736), (117, 2744064), (128, 2508246), (144, 2229552), (156, 2058048), (162, 1981824), (192, 1672164), (208, 1543536), (216, 1486368), (234, 1372032), (243, 1321216), (256, 1254123), (288, 1114776), (312, 1029024), (324, 990912), (351, 914688), (384, 836082), (397, 808704), (416, 771768), (432, 743184), (468, 686016), (486, 660608), (576, 557388), (624, 514512), (648, 495456), (702, 457344), (768, 418041), (794, 404352), (832, 385884), (864, 371592), (936, 343008), (972, 330304), (1053, 304896), (1152, 278694), (1191, 269568), (1248, 257256), (1296, 247728), (1404, 228672), (1588, 202176), (1664, 192942), (1728, 185796), (1872, 171504), (1944, 165152), (2106, 152448), (2304, 139347), (2382, 134784), (2496, 128628), (2592, 123864), (2808, 114336), (3159, 101632), (3176, 101088), (3328, 96471), (3456, 92898), (3573, 89856), (3744, 85752), (3888, 82576), (4212, 76224), (4764, 67392), (4992, 64314), (5161, 62208), (5184, 61932), (5616, 57168), (6318, 50816), (6352, 50544), (6912, 46449), (7146, 44928), (7488, 42876), (7776, 41288), (8424, 38112), (9528, 33696), (9984, 32157), (10322, 31104), (10368, 30966), (10719, 29952), (11232, 28584), (12636, 25408), (12704, 25272), (14292, 22464), (14976, 21438), (15483, 20736), (15552, 20644), (16848, 19056)]