1990212480

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2069}}^1$

素因数の和:2261

約数の個数: 192

約数和(自身を含む): 6916946400

約数和(自身を除く): 4926733920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 167, 180, 192, 240, 288, 320, 334, 360, 384, 480, 501, 576, 640, 668, 720, 835, 960, 1002, 1152, 1336, 1440, 1503, 1670, 1920, 2004, 2069, 2505, 2672, 2880, 3006, 3340, 4008, 4138, 5010, 5344, 5760, 6012, 6207, 6680, 7515, 8016, 8276, 10020, 10345, 10688, 12024, 12414, 13360, 15030, 16032, 16552, 18621, 20040, 20690, 21376, 24048, 24828, 26720, 30060, 31035, 32064, 33104, 37242, 40080, 41380, 48096, 49656, 53440, 60120, 62070, 64128, 66208, 74484, 80160, 82760, 93105, 96192, 99312, 106880, 120240, 124140, 132416, 148968, 160320, 165520, 186210, 192384, 198624, 240480, 248280, 264832, 297936, 320640, 331040, 345523, 372420, 397248, 480960, 496560, 595872, 662080, 691046, 744840, 794496, 961920, 993120, 1036569, 1191744, 1324160, 1382092, 1489680, 1727615, 1986240, 2073138, 2383488, 2764184, 2979360, 3109707, 3455230, 3972480, 4146276, 5182845, 5528368, 5958720, 6219414, 6910460, 8292552, 10365690, 11056736, 11917440, 12438828, 13820920, 15548535, 16585104, 20731380, 22113472, 24877656, 27641840, 31097070, 33170208, 41462760, 44226944, 49755312, 55283680, 62194140, 66340416, 82925520, 99510624, 110567360, 124388280, 132680832, 165851040, 199021248, 221134720, 248776560, 331702080, 398042496, 497553120, 663404160, 995106240, 1990212480]

約数ペア:

[(1, 1990212480), (2, 995106240), (3, 663404160), (4, 497553120), (5, 398042496), (6, 331702080), (8, 248776560), (9, 221134720), (10, 199021248), (12, 165851040), (15, 132680832), (16, 124388280), (18, 110567360), (20, 99510624), (24, 82925520), (30, 66340416), (32, 62194140), (36, 55283680), (40, 49755312), (45, 44226944), (48, 41462760), (60, 33170208), (64, 31097070), (72, 27641840), (80, 24877656), (90, 22113472), (96, 20731380), (120, 16585104), (128, 15548535), (144, 13820920), (160, 12438828), (167, 11917440), (180, 11056736), (192, 10365690), (240, 8292552), (288, 6910460), (320, 6219414), (334, 5958720), (360, 5528368), (384, 5182845), (480, 4146276), (501, 3972480), (576, 3455230), (640, 3109707), (668, 2979360), (720, 2764184), (835, 2383488), (960, 2073138), (1002, 1986240), (1152, 1727615), (1336, 1489680), (1440, 1382092), (1503, 1324160), (1670, 1191744), (1920, 1036569), (2004, 993120), (2069, 961920), (2505, 794496), (2672, 744840), (2880, 691046), (3006, 662080), (3340, 595872), (4008, 496560), (4138, 480960), (5010, 397248), (5344, 372420), (5760, 345523), (6012, 331040), (6207, 320640), (6680, 297936), (7515, 264832), (8016, 248280), (8276, 240480), (10020, 198624), (10345, 192384), (10688, 186210), (12024, 165520), (12414, 160320), (13360, 148968), (15030, 132416), (16032, 124140), (16552, 120240), (18621, 106880), (20040, 99312), (20690, 96192), (21376, 93105), (24048, 82760), (24828, 80160), (26720, 74484), (30060, 66208), (31035, 64128), (32064, 62070), (33104, 60120), (37242, 53440), (40080, 49656), (41380, 48096)]