1981273728

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:559

約数の個数: 256

約数和(自身を含む): 6376550400

約数和(自身を除く): 4395276672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 73, 84, 92, 96, 112, 128, 138, 146, 161, 168, 184, 192, 219, 224, 276, 292, 322, 336, 368, 384, 438, 439, 448, 483, 511, 552, 584, 644, 672, 736, 876, 878, 896, 966, 1022, 1104, 1168, 1288, 1317, 1344, 1472, 1533, 1679, 1752, 1756, 1932, 2044, 2208, 2336, 2576, 2634, 2688, 2944, 3066, 3073, 3358, 3504, 3512, 3864, 4088, 4416, 4672, 5037, 5152, 5268, 6132, 6146, 6716, 7008, 7024, 7728, 8176, 8832, 9219, 9344, 10074, 10097, 10304, 10536, 11753, 12264, 12292, 13432, 14016, 14048, 15456, 16352, 18438, 20148, 20194, 20608, 21072, 23506, 24528, 24584, 26864, 28032, 28096, 30291, 30912, 32047, 32704, 35259, 36876, 40296, 40388, 42144, 47012, 49056, 49168, 53728, 56192, 60582, 61824, 64094, 65408, 70518, 70679, 73752, 80592, 80776, 84288, 94024, 96141, 98112, 98336, 107456, 121164, 128188, 141036, 141358, 147504, 161184, 161552, 168576, 188048, 192282, 196224, 196672, 212037, 214912, 224329, 242328, 256376, 282072, 282716, 295008, 322368, 323104, 376096, 384564, 393344, 424074, 448658, 484656, 512752, 564144, 565432, 590016, 644736, 646208, 672987, 737081, 752192, 769128, 848148, 897316, 969312, 1025504, 1128288, 1130864, 1180032, 1292416, 1345974, 1474162, 1504384, 1538256, 1696296, 1794632, 1938624, 2051008, 2211243, 2256576, 2261728, 2691948, 2948324, 3076512, 3392592, 3589264, 3877248, 4102016, 4422486, 4513152, 4523456, 5159567, 5383896, 5896648, 6153024, 6785184, 7178528, 8844972, 9046912, 10319134, 10767792, 11793296, 12306048, 13570368, 14357056, 15478701, 17689944, 20638268, 21535584, 23586592, 27140736, 28714112, 30957402, 35379888, 41276536, 43071168, 47173184, 61914804, 70759776, 82553072, 86142336, 94346368, 123829608, 141519552, 165106144, 247659216, 283039104, 330212288, 495318432, 660424576, 990636864, 1981273728]

約数ペア:

[(1, 1981273728), (2, 990636864), (3, 660424576), (4, 495318432), (6, 330212288), (7, 283039104), (8, 247659216), (12, 165106144), (14, 141519552), (16, 123829608), (21, 94346368), (23, 86142336), (24, 82553072), (28, 70759776), (32, 61914804), (42, 47173184), (46, 43071168), (48, 41276536), (56, 35379888), (64, 30957402), (69, 28714112), (73, 27140736), (84, 23586592), (92, 21535584), (96, 20638268), (112, 17689944), (128, 15478701), (138, 14357056), (146, 13570368), (161, 12306048), (168, 11793296), (184, 10767792), (192, 10319134), (219, 9046912), (224, 8844972), (276, 7178528), (292, 6785184), (322, 6153024), (336, 5896648), (368, 5383896), (384, 5159567), (438, 4523456), (439, 4513152), (448, 4422486), (483, 4102016), (511, 3877248), (552, 3589264), (584, 3392592), (644, 3076512), (672, 2948324), (736, 2691948), (876, 2261728), (878, 2256576), (896, 2211243), (966, 2051008), (1022, 1938624), (1104, 1794632), (1168, 1696296), (1288, 1538256), (1317, 1504384), (1344, 1474162), (1472, 1345974), (1533, 1292416), (1679, 1180032), (1752, 1130864), (1756, 1128288), (1932, 1025504), (2044, 969312), (2208, 897316), (2336, 848148), (2576, 769128), (2634, 752192), (2688, 737081), (2944, 672987), (3066, 646208), (3073, 644736), (3358, 590016), (3504, 565432), (3512, 564144), (3864, 512752), (4088, 484656), (4416, 448658), (4672, 424074), (5037, 393344), (5152, 384564), (5268, 376096), (6132, 323104), (6146, 322368), (6716, 295008), (7008, 282716), (7024, 282072), (7728, 256376), (8176, 242328), (8832, 224329), (9219, 214912), (9344, 212037), (10074, 196672), (10097, 196224), (10304, 192282), (10536, 188048), (11753, 168576), (12264, 161552), (12292, 161184), (13432, 147504), (14016, 141358), (14048, 141036), (15456, 128188), (16352, 121164), (18438, 107456), (20148, 98336), (20194, 98112), (20608, 96141), (21072, 94024), (23506, 84288), (24528, 80776), (24584, 80592), (26864, 73752), (28032, 70679), (28096, 70518), (30291, 65408), (30912, 64094), (32047, 61824), (32704, 60582), (35259, 56192), (36876, 53728), (40296, 49168), (40388, 49056), (42144, 47012)]