438316440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 256

約数和(自身を含む): 1492992000

約数和(自身を除く): 1054675560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 31, 34, 40, 51, 58, 60, 62, 68, 85, 87, 93, 102, 116, 120, 124, 136, 145, 155, 170, 174, 186, 204, 232, 239, 248, 255, 290, 310, 340, 348, 372, 408, 435, 465, 478, 493, 510, 527, 580, 620, 680, 696, 717, 744, 870, 899, 930, 956, 986, 1020, 1054, 1160, 1195, 1240, 1434, 1479, 1581, 1740, 1798, 1860, 1912, 1972, 2040, 2108, 2390, 2465, 2635, 2697, 2868, 2958, 3162, 3480, 3585, 3596, 3720, 3944, 4063, 4216, 4495, 4780, 4930, 5270, 5394, 5736, 5916, 6324, 6931, 7170, 7192, 7395, 7409, 7905, 8126, 8990, 9560, 9860, 10540, 10788, 11832, 12189, 12648, 13485, 13862, 14340, 14790, 14818, 15283, 15810, 16252, 17980, 19720, 20315, 20793, 21080, 21576, 22227, 24378, 26970, 27724, 28680, 29580, 29636, 30566, 31620, 32504, 34655, 35960, 37045, 40630, 41586, 44454, 45849, 48756, 53940, 55448, 59160, 59272, 60945, 61132, 63240, 69310, 74090, 76415, 81260, 83172, 88908, 91698, 97512, 103965, 107880, 111135, 117827, 121890, 122264, 125953, 138620, 148180, 152830, 162520, 166344, 177816, 183396, 207930, 214861, 222270, 229245, 235654, 243780, 251906, 277240, 296360, 305660, 353481, 366792, 377859, 415860, 429722, 444540, 458490, 471308, 487560, 503812, 589135, 611320, 629765, 644583, 706962, 755718, 831720, 859444, 889080, 916980, 942616, 1007624, 1074305, 1178270, 1259530, 1289166, 1413924, 1511436, 1718888, 1767405, 1833960, 1889295, 2148610, 2356540, 2519060, 2578332, 2827848, 3022872, 3222915, 3534810, 3652637, 3778590, 4297220, 4713080, 5038120, 5156664, 6445830, 7069620, 7305274, 7557180, 8594440, 10957911, 12891660, 14139240, 14610548, 15114360, 18263185, 21915822, 25783320, 29221096, 36526370, 43831644, 54789555, 73052740, 87663288, 109579110, 146105480, 219158220, 438316440]

約数ペア:

[(1, 438316440), (2, 219158220), (3, 146105480), (4, 109579110), (5, 87663288), (6, 73052740), (8, 54789555), (10, 43831644), (12, 36526370), (15, 29221096), (17, 25783320), (20, 21915822), (24, 18263185), (29, 15114360), (30, 14610548), (31, 14139240), (34, 12891660), (40, 10957911), (51, 8594440), (58, 7557180), (60, 7305274), (62, 7069620), (68, 6445830), (85, 5156664), (87, 5038120), (93, 4713080), (102, 4297220), (116, 3778590), (120, 3652637), (124, 3534810), (136, 3222915), (145, 3022872), (155, 2827848), (170, 2578332), (174, 2519060), (186, 2356540), (204, 2148610), (232, 1889295), (239, 1833960), (248, 1767405), (255, 1718888), (290, 1511436), (310, 1413924), (340, 1289166), (348, 1259530), (372, 1178270), (408, 1074305), (435, 1007624), (465, 942616), (478, 916980), (493, 889080), (510, 859444), (527, 831720), (580, 755718), (620, 706962), (680, 644583), (696, 629765), (717, 611320), (744, 589135), (870, 503812), (899, 487560), (930, 471308), (956, 458490), (986, 444540), (1020, 429722), (1054, 415860), (1160, 377859), (1195, 366792), (1240, 353481), (1434, 305660), (1479, 296360), (1581, 277240), (1740, 251906), (1798, 243780), (1860, 235654), (1912, 229245), (1972, 222270), (2040, 214861), (2108, 207930), (2390, 183396), (2465, 177816), (2635, 166344), (2697, 162520), (2868, 152830), (2958, 148180), (3162, 138620), (3480, 125953), (3585, 122264), (3596, 121890), (3720, 117827), (3944, 111135), (4063, 107880), (4216, 103965), (4495, 97512), (4780, 91698), (4930, 88908), (5270, 83172), (5394, 81260), (5736, 76415), (5916, 74090), (6324, 69310), (6931, 63240), (7170, 61132), (7192, 60945), (7395, 59272), (7409, 59160), (7905, 55448), (8126, 53940), (8990, 48756), (9560, 45849), (9860, 44454), (10540, 41586), (10788, 40630), (11832, 37045), (12189, 35960), (12648, 34655), (13485, 32504), (13862, 31620), (14340, 30566), (14790, 29636), (14818, 29580), (15283, 28680), (15810, 27724), (16252, 26970), (17980, 24378), (19720, 22227), (20315, 21576), (20793, 21080)]