721431984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:264

約数の個数: 320

約数和(自身を含む): 2463842304

約数和(自身を除く): 1742410320

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 23, 24, 26, 28, 39, 42, 43, 46, 48, 52, 56, 69, 78, 84, 86, 91, 92, 104, 112, 129, 138, 156, 161, 167, 168, 172, 182, 184, 208, 258, 273, 276, 299, 301, 312, 322, 334, 336, 344, 364, 368, 483, 501, 516, 546, 552, 559, 598, 602, 624, 644, 668, 688, 728, 897, 903, 966, 989, 1002, 1032, 1092, 1104, 1118, 1169, 1196, 1204, 1288, 1336, 1456, 1677, 1794, 1806, 1932, 1978, 2004, 2064, 2093, 2171, 2184, 2236, 2338, 2392, 2408, 2576, 2672, 2967, 3354, 3507, 3588, 3612, 3841, 3864, 3913, 3956, 4008, 4186, 4342, 4368, 4472, 4676, 4784, 4816, 5934, 6279, 6513, 6708, 6923, 7014, 7176, 7181, 7224, 7682, 7728, 7826, 7912, 8016, 8372, 8684, 8944, 9352, 11523, 11739, 11868, 12558, 12857, 13026, 13416, 13846, 14028, 14352, 14362, 14448, 15197, 15364, 15652, 15824, 16744, 17368, 18704, 20769, 21543, 23046, 23478, 23736, 25116, 25714, 26052, 26832, 26887, 27692, 28056, 28724, 30394, 30728, 31304, 33488, 34736, 38571, 41538, 43086, 45591, 46092, 46956, 47472, 49933, 50232, 50267, 51428, 52104, 53774, 55384, 56112, 57448, 60788, 61456, 62608, 77142, 80661, 83076, 86172, 89999, 91182, 92184, 93353, 93912, 99866, 100464, 100534, 102856, 104208, 107548, 110768, 114896, 121576, 149799, 150801, 154284, 161322, 165163, 166152, 172344, 179998, 182364, 184368, 186706, 187824, 199732, 201068, 205712, 215096, 243152, 269997, 280059, 299598, 301602, 308568, 322644, 330326, 332304, 344688, 349531, 359996, 364728, 373412, 399464, 402136, 430192, 495489, 539994, 560118, 599196, 603204, 617136, 645288, 653471, 660652, 699062, 719992, 729456, 746824, 798928, 804272, 990978, 1048593, 1079988, 1120236, 1156141, 1198392, 1206408, 1290576, 1306942, 1321304, 1398124, 1439984, 1493648, 1960413, 1981956, 2097186, 2147119, 2159976, 2240472, 2312282, 2396784, 2412816, 2613884, 2642608, 2796248, 3468423, 3920826, 3963912, 4194372, 4294238, 4319952, 4480944, 4624564, 5227768, 5592496, 6441357, 6936846, 7841652, 7927824, 8388744, 8588476, 9249128, 10455536, 12882714, 13873692, 15029833, 15683304, 16777488, 17176952, 18498256, 25765428, 27747384, 30059666, 31366608, 34353904, 45089499, 51530856, 55494768, 60119332, 90178998, 103061712, 120238664, 180357996, 240477328, 360715992, 721431984]

約数ペア:

[(1, 721431984), (2, 360715992), (3, 240477328), (4, 180357996), (6, 120238664), (7, 103061712), (8, 90178998), (12, 60119332), (13, 55494768), (14, 51530856), (16, 45089499), (21, 34353904), (23, 31366608), (24, 30059666), (26, 27747384), (28, 25765428), (39, 18498256), (42, 17176952), (43, 16777488), (46, 15683304), (48, 15029833), (52, 13873692), (56, 12882714), (69, 10455536), (78, 9249128), (84, 8588476), (86, 8388744), (91, 7927824), (92, 7841652), (104, 6936846), (112, 6441357), (129, 5592496), (138, 5227768), (156, 4624564), (161, 4480944), (167, 4319952), (168, 4294238), (172, 4194372), (182, 3963912), (184, 3920826), (208, 3468423), (258, 2796248), (273, 2642608), (276, 2613884), (299, 2412816), (301, 2396784), (312, 2312282), (322, 2240472), (334, 2159976), (336, 2147119), (344, 2097186), (364, 1981956), (368, 1960413), (483, 1493648), (501, 1439984), (516, 1398124), (546, 1321304), (552, 1306942), (559, 1290576), (598, 1206408), (602, 1198392), (624, 1156141), (644, 1120236), (668, 1079988), (688, 1048593), (728, 990978), (897, 804272), (903, 798928), (966, 746824), (989, 729456), (1002, 719992), (1032, 699062), (1092, 660652), (1104, 653471), (1118, 645288), (1169, 617136), (1196, 603204), (1204, 599196), (1288, 560118), (1336, 539994), (1456, 495489), (1677, 430192), (1794, 402136), (1806, 399464), (1932, 373412), (1978, 364728), (2004, 359996), (2064, 349531), (2093, 344688), (2171, 332304), (2184, 330326), (2236, 322644), (2338, 308568), (2392, 301602), (2408, 299598), (2576, 280059), (2672, 269997), (2967, 243152), (3354, 215096), (3507, 205712), (3588, 201068), (3612, 199732), (3841, 187824), (3864, 186706), (3913, 184368), (3956, 182364), (4008, 179998), (4186, 172344), (4342, 166152), (4368, 165163), (4472, 161322), (4676, 154284), (4784, 150801), (4816, 149799), (5934, 121576), (6279, 114896), (6513, 110768), (6708, 107548), (6923, 104208), (7014, 102856), (7176, 100534), (7181, 100464), (7224, 99866), (7682, 93912), (7728, 93353), (7826, 92184), (7912, 91182), (8016, 89999), (8372, 86172), (8684, 83076), (8944, 80661), (9352, 77142), (11523, 62608), (11739, 61456), (11868, 60788), (12558, 57448), (12857, 56112), (13026, 55384), (13416, 53774), (13846, 52104), (14028, 51428), (14352, 50267), (14362, 50232), (14448, 49933), (15197, 47472), (15364, 46956), (15652, 46092), (15824, 45591), (16744, 43086), (17368, 41538), (18704, 38571), (20769, 34736), (21543, 33488), (23046, 31304), (23478, 30728), (23736, 30394), (25116, 28724), (25714, 28056), (26052, 27692), (26832, 26887)]