256695168

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 725587200

約数和(自身を除く): 468892032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 151, 152, 192, 228, 233, 302, 304, 384, 453, 456, 466, 604, 608, 699, 906, 912, 932, 1208, 1216, 1398, 1812, 1824, 1864, 2416, 2432, 2796, 2869, 3624, 3648, 3728, 4427, 4832, 5592, 5738, 7248, 7296, 7456, 8607, 8854, 9664, 11184, 11476, 13281, 14496, 14912, 17214, 17708, 19328, 22368, 22952, 26562, 28992, 29824, 34428, 35183, 35416, 44736, 45904, 53124, 57984, 68856, 70366, 70832, 89472, 91808, 105549, 106248, 137712, 140732, 141664, 183616, 211098, 212496, 275424, 281464, 283328, 367232, 422196, 424992, 550848, 562928, 566656, 668477, 844392, 849984, 1101696, 1125856, 1336954, 1688784, 1699968, 2005431, 2251712, 2673908, 3377568, 4010862, 4503424, 5347816, 6755136, 8021724, 10695632, 13510272, 16043448, 21391264, 32086896, 42782528, 64173792, 85565056, 128347584, 256695168]

約数ペア:

[(1, 256695168), (2, 128347584), (3, 85565056), (4, 64173792), (6, 42782528), (8, 32086896), (12, 21391264), (16, 16043448), (19, 13510272), (24, 10695632), (32, 8021724), (38, 6755136), (48, 5347816), (57, 4503424), (64, 4010862), (76, 3377568), (96, 2673908), (114, 2251712), (128, 2005431), (151, 1699968), (152, 1688784), (192, 1336954), (228, 1125856), (233, 1101696), (302, 849984), (304, 844392), (384, 668477), (453, 566656), (456, 562928), (466, 550848), (604, 424992), (608, 422196), (699, 367232), (906, 283328), (912, 281464), (932, 275424), (1208, 212496), (1216, 211098), (1398, 183616), (1812, 141664), (1824, 140732), (1864, 137712), (2416, 106248), (2432, 105549), (2796, 91808), (2869, 89472), (3624, 70832), (3648, 70366), (3728, 68856), (4427, 57984), (4832, 53124), (5592, 45904), (5738, 44736), (7248, 35416), (7296, 35183), (7456, 34428), (8607, 29824), (8854, 28992), (9664, 26562), (11184, 22952), (11476, 22368), (13281, 19328), (14496, 17708), (14912, 17214)]