81975348

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:491

約数の個数: 192

約数和(自身を含む): 275968000

約数和(自身を除く): 193992652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 38, 39, 42, 52, 54, 57, 63, 76, 78, 84, 91, 108, 114, 117, 126, 133, 156, 171, 182, 189, 228, 234, 247, 252, 266, 273, 342, 351, 364, 378, 399, 439, 468, 494, 513, 532, 546, 684, 702, 741, 756, 798, 819, 878, 988, 1026, 1092, 1197, 1317, 1404, 1482, 1596, 1638, 1729, 1756, 2052, 2223, 2394, 2457, 2634, 2964, 3073, 3276, 3458, 3591, 3951, 4446, 4788, 4914, 5187, 5268, 5707, 6146, 6669, 6916, 7182, 7902, 8341, 8892, 9219, 9828, 10374, 11414, 11853, 12292, 13338, 14364, 15561, 15804, 16682, 17121, 18438, 20748, 22828, 23706, 25023, 26676, 27657, 31122, 33364, 34242, 36876, 39949, 46683, 47412, 50046, 51363, 55314, 58387, 62244, 68484, 75069, 79898, 82971, 93366, 100092, 102726, 108433, 110628, 116774, 119847, 150138, 154089, 159796, 165942, 175161, 186732, 205452, 216866, 225207, 233548, 239694, 300276, 308178, 325299, 331884, 350322, 359541, 433732, 450414, 479388, 525483, 616356, 650598, 700644, 719082, 759031, 900828, 975897, 1050966, 1078623, 1301196, 1438164, 1518062, 1576449, 1951794, 2101932, 2157246, 2277093, 2927691, 3036124, 3152898, 3903588, 4314492, 4554186, 5855382, 6305796, 6831279, 9108372, 11710764, 13662558, 20493837, 27325116, 40987674, 81975348]

約数ペア:

[(1, 81975348), (2, 40987674), (3, 27325116), (4, 20493837), (6, 13662558), (7, 11710764), (9, 9108372), (12, 6831279), (13, 6305796), (14, 5855382), (18, 4554186), (19, 4314492), (21, 3903588), (26, 3152898), (27, 3036124), (28, 2927691), (36, 2277093), (38, 2157246), (39, 2101932), (42, 1951794), (52, 1576449), (54, 1518062), (57, 1438164), (63, 1301196), (76, 1078623), (78, 1050966), (84, 975897), (91, 900828), (108, 759031), (114, 719082), (117, 700644), (126, 650598), (133, 616356), (156, 525483), (171, 479388), (182, 450414), (189, 433732), (228, 359541), (234, 350322), (247, 331884), (252, 325299), (266, 308178), (273, 300276), (342, 239694), (351, 233548), (364, 225207), (378, 216866), (399, 205452), (439, 186732), (468, 175161), (494, 165942), (513, 159796), (532, 154089), (546, 150138), (684, 119847), (702, 116774), (741, 110628), (756, 108433), (798, 102726), (819, 100092), (878, 93366), (988, 82971), (1026, 79898), (1092, 75069), (1197, 68484), (1317, 62244), (1404, 58387), (1482, 55314), (1596, 51363), (1638, 50046), (1729, 47412), (1756, 46683), (2052, 39949), (2223, 36876), (2394, 34242), (2457, 33364), (2634, 31122), (2964, 27657), (3073, 26676), (3276, 25023), (3458, 23706), (3591, 22828), (3951, 20748), (4446, 18438), (4788, 17121), (4914, 16682), (5187, 15804), (5268, 15561), (5707, 14364), (6146, 13338), (6669, 12292), (6916, 11853), (7182, 11414), (7902, 10374), (8341, 9828), (8892, 9219)]