1813031280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2880

約数の個数: 240

約数和(自身を含む): 6504226560

約数和(自身を除く): 4691195280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 36, 40, 45, 48, 58, 60, 62, 72, 80, 87, 90, 93, 116, 120, 124, 144, 145, 155, 174, 180, 186, 232, 240, 248, 261, 279, 290, 310, 348, 360, 372, 435, 464, 465, 496, 522, 558, 580, 620, 696, 720, 744, 870, 899, 930, 1044, 1116, 1160, 1240, 1305, 1392, 1395, 1488, 1740, 1798, 1860, 2088, 2232, 2320, 2480, 2610, 2697, 2790, 2801, 3480, 3596, 3720, 4176, 4464, 4495, 5220, 5394, 5580, 5602, 6960, 7192, 7440, 8091, 8403, 8990, 10440, 10788, 11160, 11204, 13485, 14005, 14384, 16182, 16806, 17980, 20880, 21576, 22320, 22408, 25209, 26970, 28010, 32364, 33612, 35960, 40455, 42015, 43152, 44816, 50418, 53940, 56020, 64728, 67224, 71920, 80910, 81229, 84030, 86831, 100836, 107880, 112040, 126045, 129456, 134448, 161820, 162458, 168060, 173662, 201672, 215760, 224080, 243687, 252090, 260493, 323640, 324916, 336120, 347324, 403344, 406145, 434155, 487374, 504180, 520986, 647280, 649832, 672240, 694648, 731061, 781479, 812290, 868310, 974748, 1008360, 1041972, 1218435, 1299664, 1302465, 1389296, 1462122, 1562958, 1624580, 1736620, 1949496, 2016720, 2083944, 2436870, 2518099, 2604930, 2924244, 3125916, 3249160, 3473240, 3655305, 3898992, 3907395, 4167888, 4873740, 5036198, 5209860, 5848488, 6251832, 6498320, 6946480, 7310610, 7554297, 7814790, 9747480, 10072396, 10419720, 11696976, 12503664, 12590495, 14621220, 15108594, 15629580, 19494960, 20144792, 20839440, 22662891, 25180990, 29242440, 30217188, 31259160, 37771485, 40289584, 45325782, 50361980, 58484880, 60434376, 62518320, 75542970, 90651564, 100723960, 113314455, 120868752, 151085940, 181303128, 201447920, 226628910, 302171880, 362606256, 453257820, 604343760, 906515640, 1813031280]

約数ペア:

[(1, 1813031280), (2, 906515640), (3, 604343760), (4, 453257820), (5, 362606256), (6, 302171880), (8, 226628910), (9, 201447920), (10, 181303128), (12, 151085940), (15, 120868752), (16, 113314455), (18, 100723960), (20, 90651564), (24, 75542970), (29, 62518320), (30, 60434376), (31, 58484880), (36, 50361980), (40, 45325782), (45, 40289584), (48, 37771485), (58, 31259160), (60, 30217188), (62, 29242440), (72, 25180990), (80, 22662891), (87, 20839440), (90, 20144792), (93, 19494960), (116, 15629580), (120, 15108594), (124, 14621220), (144, 12590495), (145, 12503664), (155, 11696976), (174, 10419720), (180, 10072396), (186, 9747480), (232, 7814790), (240, 7554297), (248, 7310610), (261, 6946480), (279, 6498320), (290, 6251832), (310, 5848488), (348, 5209860), (360, 5036198), (372, 4873740), (435, 4167888), (464, 3907395), (465, 3898992), (496, 3655305), (522, 3473240), (558, 3249160), (580, 3125916), (620, 2924244), (696, 2604930), (720, 2518099), (744, 2436870), (870, 2083944), (899, 2016720), (930, 1949496), (1044, 1736620), (1116, 1624580), (1160, 1562958), (1240, 1462122), (1305, 1389296), (1392, 1302465), (1395, 1299664), (1488, 1218435), (1740, 1041972), (1798, 1008360), (1860, 974748), (2088, 868310), (2232, 812290), (2320, 781479), (2480, 731061), (2610, 694648), (2697, 672240), (2790, 649832), (2801, 647280), (3480, 520986), (3596, 504180), (3720, 487374), (4176, 434155), (4464, 406145), (4495, 403344), (5220, 347324), (5394, 336120), (5580, 324916), (5602, 323640), (6960, 260493), (7192, 252090), (7440, 243687), (8091, 224080), (8403, 215760), (8990, 201672), (10440, 173662), (10788, 168060), (11160, 162458), (11204, 161820), (13485, 134448), (14005, 129456), (14384, 126045), (16182, 112040), (16806, 107880), (17980, 100836), (20880, 86831), (21576, 84030), (22320, 81229), (22408, 80910), (25209, 71920), (26970, 67224), (28010, 64728), (32364, 56020), (33612, 53940), (35960, 50418), (40455, 44816), (42015, 43152)]