280904512

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:640

約数の個数: 112

約数和(自身を含む): 682833280

約数和(自身を除く): 401928768

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 61, 64, 76, 112, 122, 133, 152, 224, 244, 266, 304, 427, 448, 488, 532, 541, 608, 854, 976, 1064, 1082, 1159, 1216, 1708, 1952, 2128, 2164, 2318, 3416, 3787, 3904, 4256, 4328, 4636, 6832, 7574, 8113, 8512, 8656, 9272, 10279, 13664, 15148, 16226, 17312, 18544, 20558, 27328, 30296, 32452, 33001, 34624, 37088, 41116, 60592, 64904, 66002, 71953, 74176, 82232, 121184, 129808, 132004, 143906, 164464, 231007, 242368, 259616, 264008, 287812, 328928, 462014, 519232, 528016, 575624, 627019, 657856, 924028, 1056032, 1151248, 1254038, 1848056, 2112064, 2302496, 2508076, 3696112, 4389133, 4604992, 5016152, 7392224, 8778266, 10032304, 14784448, 17556532, 20064608, 35113064, 40129216, 70226128, 140452256, 280904512]

約数ペア:

[(1, 280904512), (2, 140452256), (4, 70226128), (7, 40129216), (8, 35113064), (14, 20064608), (16, 17556532), (19, 14784448), (28, 10032304), (32, 8778266), (38, 7392224), (56, 5016152), (61, 4604992), (64, 4389133), (76, 3696112), (112, 2508076), (122, 2302496), (133, 2112064), (152, 1848056), (224, 1254038), (244, 1151248), (266, 1056032), (304, 924028), (427, 657856), (448, 627019), (488, 575624), (532, 528016), (541, 519232), (608, 462014), (854, 328928), (976, 287812), (1064, 264008), (1082, 259616), (1159, 242368), (1216, 231007), (1708, 164464), (1952, 143906), (2128, 132004), (2164, 129808), (2318, 121184), (3416, 82232), (3787, 74176), (3904, 71953), (4256, 66002), (4328, 64904), (4636, 60592), (6832, 41116), (7574, 37088), (8113, 34624), (8512, 33001), (8656, 32452), (9272, 30296), (10279, 27328), (13664, 20558), (15148, 18544), (16226, 17312)]