161378856

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 483100800

約数和(自身を除く): 321721944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 36, 38, 46, 57, 69, 72, 76, 92, 114, 138, 152, 171, 184, 207, 223, 228, 276, 342, 414, 437, 446, 456, 529, 552, 669, 684, 828, 874, 892, 1058, 1311, 1338, 1368, 1587, 1656, 1748, 1784, 2007, 2116, 2622, 2676, 3174, 3496, 3933, 4014, 4232, 4237, 4761, 5129, 5244, 5352, 6348, 7866, 8028, 8474, 9522, 10051, 10258, 10488, 12696, 12711, 15387, 15732, 16056, 16948, 19044, 20102, 20516, 25422, 30153, 30774, 31464, 33896, 38088, 38133, 40204, 41032, 46161, 50844, 60306, 61548, 76266, 80408, 90459, 92322, 97451, 101688, 117967, 120612, 123096, 152532, 180918, 184644, 194902, 235934, 241224, 292353, 305064, 353901, 361836, 369288, 389804, 471868, 584706, 707802, 723672, 779608, 877059, 943736, 1061703, 1169412, 1415604, 1754118, 2123406, 2241373, 2338824, 2831208, 3508236, 4246812, 4482746, 6724119, 7016472, 8493624, 8965492, 13448238, 17930984, 20172357, 26896476, 40344714, 53792952, 80689428, 161378856]

約数ペア:

[(1, 161378856), (2, 80689428), (3, 53792952), (4, 40344714), (6, 26896476), (8, 20172357), (9, 17930984), (12, 13448238), (18, 8965492), (19, 8493624), (23, 7016472), (24, 6724119), (36, 4482746), (38, 4246812), (46, 3508236), (57, 2831208), (69, 2338824), (72, 2241373), (76, 2123406), (92, 1754118), (114, 1415604), (138, 1169412), (152, 1061703), (171, 943736), (184, 877059), (207, 779608), (223, 723672), (228, 707802), (276, 584706), (342, 471868), (414, 389804), (437, 369288), (446, 361836), (456, 353901), (529, 305064), (552, 292353), (669, 241224), (684, 235934), (828, 194902), (874, 184644), (892, 180918), (1058, 152532), (1311, 123096), (1338, 120612), (1368, 117967), (1587, 101688), (1656, 97451), (1748, 92322), (1784, 90459), (2007, 80408), (2116, 76266), (2622, 61548), (2676, 60306), (3174, 50844), (3496, 46161), (3933, 41032), (4014, 40204), (4232, 38133), (4237, 38088), (4761, 33896), (5129, 31464), (5244, 30774), (5352, 30153), (6348, 25422), (7866, 20516), (8028, 20102), (8474, 19044), (9522, 16948), (10051, 16056), (10258, 15732), (10488, 15387), (12696, 12711)]