661561992

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{863}}^1$

素因数の和:914

約数の個数: 240

約数和(自身を含む): 2295786240

約数和(自身を除く): 1634224248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 117, 126, 156, 162, 168, 169, 182, 189, 216, 234, 252, 273, 312, 324, 338, 351, 364, 378, 468, 504, 507, 546, 567, 648, 676, 702, 728, 756, 819, 863, 936, 1014, 1053, 1092, 1134, 1183, 1352, 1404, 1512, 1521, 1638, 1726, 2028, 2106, 2184, 2268, 2366, 2457, 2589, 2808, 3042, 3276, 3452, 3549, 4056, 4212, 4536, 4563, 4732, 4914, 5178, 6041, 6084, 6552, 6904, 7098, 7371, 7767, 8424, 9126, 9464, 9828, 10356, 10647, 11219, 12082, 12168, 13689, 14196, 14742, 15534, 18123, 18252, 19656, 20712, 21294, 22438, 23301, 24164, 27378, 28392, 29484, 31068, 31941, 33657, 36246, 36504, 42588, 44876, 46602, 48328, 54369, 54756, 58968, 62136, 63882, 67314, 69903, 72492, 78533, 85176, 89752, 93204, 95823, 100971, 108738, 109512, 127764, 134628, 139806, 144984, 145847, 157066, 163107, 186408, 191646, 201942, 217476, 235599, 255528, 269256, 279612, 291694, 302913, 314132, 326214, 383292, 403884, 434952, 437541, 471198, 489321, 559224, 583388, 605826, 628264, 652428, 706797, 766584, 807768, 875082, 908739, 942396, 978642, 1020929, 1166776, 1211652, 1304856, 1312623, 1413594, 1750164, 1817478, 1884792, 1957284, 2041858, 2120391, 2423304, 2625246, 2827188, 3062787, 3500328, 3634956, 3914568, 3937869, 4083716, 4240782, 5250492, 5654376, 6125574, 6361173, 7269912, 7875738, 8167432, 8481564, 9188361, 10500984, 11813607, 12251148, 12722346, 15751476, 16963128, 18376722, 23627214, 24502296, 25444692, 27565083, 31502952, 36753444, 47254428, 50889384, 55130166, 73506888, 82695249, 94508856, 110260332, 165390498, 220520664, 330780996, 661561992]

約数ペア:

[(1, 661561992), (2, 330780996), (3, 220520664), (4, 165390498), (6, 110260332), (7, 94508856), (8, 82695249), (9, 73506888), (12, 55130166), (13, 50889384), (14, 47254428), (18, 36753444), (21, 31502952), (24, 27565083), (26, 25444692), (27, 24502296), (28, 23627214), (36, 18376722), (39, 16963128), (42, 15751476), (52, 12722346), (54, 12251148), (56, 11813607), (63, 10500984), (72, 9188361), (78, 8481564), (81, 8167432), (84, 7875738), (91, 7269912), (104, 6361173), (108, 6125574), (117, 5654376), (126, 5250492), (156, 4240782), (162, 4083716), (168, 3937869), (169, 3914568), (182, 3634956), (189, 3500328), (216, 3062787), (234, 2827188), (252, 2625246), (273, 2423304), (312, 2120391), (324, 2041858), (338, 1957284), (351, 1884792), (364, 1817478), (378, 1750164), (468, 1413594), (504, 1312623), (507, 1304856), (546, 1211652), (567, 1166776), (648, 1020929), (676, 978642), (702, 942396), (728, 908739), (756, 875082), (819, 807768), (863, 766584), (936, 706797), (1014, 652428), (1053, 628264), (1092, 605826), (1134, 583388), (1183, 559224), (1352, 489321), (1404, 471198), (1512, 437541), (1521, 434952), (1638, 403884), (1726, 383292), (2028, 326214), (2106, 314132), (2184, 302913), (2268, 291694), (2366, 279612), (2457, 269256), (2589, 255528), (2808, 235599), (3042, 217476), (3276, 201942), (3452, 191646), (3549, 186408), (4056, 163107), (4212, 157066), (4536, 145847), (4563, 144984), (4732, 139806), (4914, 134628), (5178, 127764), (6041, 109512), (6084, 108738), (6552, 100971), (6904, 95823), (7098, 93204), (7371, 89752), (7767, 85176), (8424, 78533), (9126, 72492), (9464, 69903), (9828, 67314), (10356, 63882), (10647, 62136), (11219, 58968), (12082, 54756), (12168, 54369), (13689, 48328), (14196, 46602), (14742, 44876), (15534, 42588), (18123, 36504), (18252, 36246), (19656, 33657), (20712, 31941), (21294, 31068), (22438, 29484), (23301, 28392), (24164, 27378)]