667403440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{12433}}^1$

素因数の和:12518

約数の個数: 80

約数和(自身を含む): 1720666656

約数和(自身を除く): 1053263216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 610, 671, 880, 976, 1220, 1342, 2440, 2684, 3355, 4880, 5368, 6710, 10736, 12433, 13420, 24866, 26840, 49732, 53680, 62165, 99464, 124330, 136763, 198928, 248660, 273526, 497320, 547052, 683815, 758413, 994640, 1094104, 1367630, 1516826, 2188208, 2735260, 3033652, 3792065, 5470520, 6067304, 7584130, 8342543, 10941040, 12134608, 15168260, 16685086, 30336520, 33370172, 41712715, 60673040, 66740344, 83425430, 133480688, 166850860, 333701720, 667403440]

約数ペア:

[(1, 667403440), (2, 333701720), (4, 166850860), (5, 133480688), (8, 83425430), (10, 66740344), (11, 60673040), (16, 41712715), (20, 33370172), (22, 30336520), (40, 16685086), (44, 15168260), (55, 12134608), (61, 10941040), (80, 8342543), (88, 7584130), (110, 6067304), (122, 5470520), (176, 3792065), (220, 3033652), (244, 2735260), (305, 2188208), (440, 1516826), (488, 1367630), (610, 1094104), (671, 994640), (880, 758413), (976, 683815), (1220, 547052), (1342, 497320), (2440, 273526), (2684, 248660), (3355, 198928), (4880, 136763), (5368, 124330), (6710, 99464), (10736, 62165), (12433, 53680), (13420, 49732), (24866, 26840)]