640604832

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 288

約数和(自身を含む): 2118057984

約数和(自身を除く): 1477453152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 31, 32, 42, 46, 48, 49, 56, 62, 69, 84, 92, 93, 96, 98, 112, 124, 138, 147, 161, 168, 184, 186, 191, 196, 217, 224, 248, 276, 294, 322, 336, 368, 372, 382, 392, 434, 483, 496, 552, 573, 588, 644, 651, 672, 713, 736, 744, 764, 784, 868, 966, 992, 1104, 1127, 1146, 1176, 1288, 1302, 1337, 1426, 1488, 1519, 1528, 1568, 1736, 1932, 2139, 2208, 2254, 2292, 2352, 2576, 2604, 2674, 2852, 2976, 3038, 3056, 3381, 3472, 3864, 4011, 4278, 4393, 4508, 4557, 4584, 4704, 4991, 5152, 5208, 5348, 5704, 5921, 6076, 6112, 6762, 6944, 7728, 8022, 8556, 8786, 9016, 9114, 9168, 9359, 9982, 10416, 10696, 11408, 11842, 12152, 13179, 13524, 14973, 15456, 16044, 17112, 17572, 17763, 18032, 18228, 18336, 18718, 19964, 20832, 21392, 22816, 23684, 24304, 26358, 27048, 28077, 29946, 30751, 32088, 34224, 34937, 35144, 35526, 36064, 36456, 37436, 39928, 41447, 42784, 47368, 48608, 52716, 54096, 56154, 59892, 61502, 64176, 68448, 69874, 70288, 71052, 72912, 74872, 79856, 82894, 92253, 94736, 104811, 105432, 108192, 112308, 119784, 123004, 124341, 128352, 136183, 139748, 140576, 142104, 145824, 149744, 159712, 165788, 184506, 189472, 209622, 210864, 215257, 224616, 239568, 246008, 248682, 272366, 279496, 284208, 290129, 299488, 331576, 369012, 408549, 419244, 421728, 430514, 449232, 479136, 492016, 497364, 544732, 558992, 568416, 580258, 645771, 663152, 738024, 817098, 838488, 861028, 870387, 898464, 953281, 984032, 994728, 1089464, 1117984, 1160516, 1291542, 1326304, 1476048, 1634196, 1676976, 1722056, 1740774, 1906562, 1989456, 2178928, 2321032, 2583084, 2859843, 2952096, 3268392, 3353952, 3444112, 3481548, 3813124, 3978912, 4357856, 4642064, 5166168, 5719686, 6536784, 6672967, 6888224, 6963096, 7626248, 9284128, 10332336, 11439372, 13073568, 13345934, 13926192, 15252496, 20018901, 20664672, 22878744, 26691868, 27852384, 30504992, 40037802, 45757488, 53383736, 80075604, 91514976, 106767472, 160151208, 213534944, 320302416, 640604832]

約数ペア:

[(1, 640604832), (2, 320302416), (3, 213534944), (4, 160151208), (6, 106767472), (7, 91514976), (8, 80075604), (12, 53383736), (14, 45757488), (16, 40037802), (21, 30504992), (23, 27852384), (24, 26691868), (28, 22878744), (31, 20664672), (32, 20018901), (42, 15252496), (46, 13926192), (48, 13345934), (49, 13073568), (56, 11439372), (62, 10332336), (69, 9284128), (84, 7626248), (92, 6963096), (93, 6888224), (96, 6672967), (98, 6536784), (112, 5719686), (124, 5166168), (138, 4642064), (147, 4357856), (161, 3978912), (168, 3813124), (184, 3481548), (186, 3444112), (191, 3353952), (196, 3268392), (217, 2952096), (224, 2859843), (248, 2583084), (276, 2321032), (294, 2178928), (322, 1989456), (336, 1906562), (368, 1740774), (372, 1722056), (382, 1676976), (392, 1634196), (434, 1476048), (483, 1326304), (496, 1291542), (552, 1160516), (573, 1117984), (588, 1089464), (644, 994728), (651, 984032), (672, 953281), (713, 898464), (736, 870387), (744, 861028), (764, 838488), (784, 817098), (868, 738024), (966, 663152), (992, 645771), (1104, 580258), (1127, 568416), (1146, 558992), (1176, 544732), (1288, 497364), (1302, 492016), (1337, 479136), (1426, 449232), (1488, 430514), (1519, 421728), (1528, 419244), (1568, 408549), (1736, 369012), (1932, 331576), (2139, 299488), (2208, 290129), (2254, 284208), (2292, 279496), (2352, 272366), (2576, 248682), (2604, 246008), (2674, 239568), (2852, 224616), (2976, 215257), (3038, 210864), (3056, 209622), (3381, 189472), (3472, 184506), (3864, 165788), (4011, 159712), (4278, 149744), (4393, 145824), (4508, 142104), (4557, 140576), (4584, 139748), (4704, 136183), (4991, 128352), (5152, 124341), (5208, 123004), (5348, 119784), (5704, 112308), (5921, 108192), (6076, 105432), (6112, 104811), (6762, 94736), (6944, 92253), (7728, 82894), (8022, 79856), (8556, 74872), (8786, 72912), (9016, 71052), (9114, 70288), (9168, 69874), (9359, 68448), (9982, 64176), (10416, 61502), (10696, 59892), (11408, 56154), (11842, 54096), (12152, 52716), (13179, 48608), (13524, 47368), (14973, 42784), (15456, 41447), (16044, 39928), (17112, 37436), (17572, 36456), (17763, 36064), (18032, 35526), (18228, 35144), (18336, 34937), (18718, 34224), (19964, 32088), (20832, 30751), (21392, 29946), (22816, 28077), (23684, 27048), (24304, 26358)]