648221904

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:406

約数の個数: 240

約数和(自身を含む): 2097199104

約数和(自身を除く): 1448977200

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 33, 36, 43, 44, 48, 62, 66, 72, 86, 88, 93, 99, 124, 129, 132, 144, 172, 176, 186, 198, 248, 258, 264, 279, 307, 341, 344, 372, 387, 396, 473, 496, 516, 528, 558, 614, 682, 688, 744, 774, 792, 921, 946, 1023, 1032, 1116, 1228, 1333, 1364, 1419, 1488, 1548, 1584, 1842, 1892, 2046, 2064, 2232, 2456, 2666, 2728, 2763, 2838, 3069, 3096, 3377, 3684, 3784, 3999, 4092, 4257, 4464, 4912, 5332, 5456, 5526, 5676, 6138, 6192, 6754, 7368, 7568, 7998, 8184, 8514, 9517, 10131, 10664, 11052, 11352, 11997, 12276, 13201, 13508, 14663, 14736, 15996, 16368, 17028, 19034, 20262, 21328, 22104, 22704, 23994, 24552, 26402, 27016, 28551, 29326, 30393, 31992, 34056, 38068, 39603, 40524, 43989, 44208, 47988, 49104, 52804, 54032, 57102, 58652, 60786, 63984, 68112, 76136, 79206, 81048, 85653, 87978, 95976, 104687, 105608, 114204, 117304, 118809, 121572, 131967, 145211, 152272, 158412, 162096, 171306, 175956, 191952, 209374, 211216, 228408, 234608, 237618, 243144, 263934, 290422, 314061, 316824, 342612, 351912, 409231, 418748, 435633, 456816, 475236, 486288, 527868, 580844, 628122, 633648, 685224, 703824, 818462, 837496, 871266, 942183, 950472, 1055736, 1161688, 1227693, 1256244, 1306899, 1370448, 1636924, 1674992, 1742532, 1884366, 1900944, 2111472, 2323376, 2455386, 2512488, 2613798, 3273848, 3485064, 3683079, 3768732, 4501541, 4910772, 5024976, 5227596, 6547696, 6970128, 7366158, 7537464, 9003082, 9821544, 10455192, 13504623, 14732316, 15074928, 18006164, 19643088, 20910384, 27009246, 29464632, 36012328, 40513869, 54018492, 58929264, 72024656, 81027738, 108036984, 162055476, 216073968, 324110952, 648221904]

約数ペア:

[(1, 648221904), (2, 324110952), (3, 216073968), (4, 162055476), (6, 108036984), (8, 81027738), (9, 72024656), (11, 58929264), (12, 54018492), (16, 40513869), (18, 36012328), (22, 29464632), (24, 27009246), (31, 20910384), (33, 19643088), (36, 18006164), (43, 15074928), (44, 14732316), (48, 13504623), (62, 10455192), (66, 9821544), (72, 9003082), (86, 7537464), (88, 7366158), (93, 6970128), (99, 6547696), (124, 5227596), (129, 5024976), (132, 4910772), (144, 4501541), (172, 3768732), (176, 3683079), (186, 3485064), (198, 3273848), (248, 2613798), (258, 2512488), (264, 2455386), (279, 2323376), (307, 2111472), (341, 1900944), (344, 1884366), (372, 1742532), (387, 1674992), (396, 1636924), (473, 1370448), (496, 1306899), (516, 1256244), (528, 1227693), (558, 1161688), (614, 1055736), (682, 950472), (688, 942183), (744, 871266), (774, 837496), (792, 818462), (921, 703824), (946, 685224), (1023, 633648), (1032, 628122), (1116, 580844), (1228, 527868), (1333, 486288), (1364, 475236), (1419, 456816), (1488, 435633), (1548, 418748), (1584, 409231), (1842, 351912), (1892, 342612), (2046, 316824), (2064, 314061), (2232, 290422), (2456, 263934), (2666, 243144), (2728, 237618), (2763, 234608), (2838, 228408), (3069, 211216), (3096, 209374), (3377, 191952), (3684, 175956), (3784, 171306), (3999, 162096), (4092, 158412), (4257, 152272), (4464, 145211), (4912, 131967), (5332, 121572), (5456, 118809), (5526, 117304), (5676, 114204), (6138, 105608), (6192, 104687), (6754, 95976), (7368, 87978), (7568, 85653), (7998, 81048), (8184, 79206), (8514, 76136), (9517, 68112), (10131, 63984), (10664, 60786), (11052, 58652), (11352, 57102), (11997, 54032), (12276, 52804), (13201, 49104), (13508, 47988), (14663, 44208), (14736, 43989), (15996, 40524), (16368, 39603), (17028, 38068), (19034, 34056), (20262, 31992), (21328, 30393), (22104, 29326), (22704, 28551), (23994, 27016), (24552, 26402)]