1989002880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2719}}^1$

素因数の和:2871

約数の個数: 192

約数和(自身を含む): 6924902400

約数和(自身を除く): 4935899520

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, 127, 128, 144, 160, 180, 192, 240, 254, 288, 320, 360, 381, 384, 480, 508, 576, 635, 640, 720, 762, 960, 1016, 1143, 1152, 1270, 1440, 1524, 1905, 1920, 2032, 2286, 2540, 2719, 2880, 3048, 3810, 4064, 4572, 5080, 5438, 5715, 5760, 6096, 7620, 8128, 8157, 9144, 10160, 10876, 11430, 12192, 13595, 15240, 16256, 16314, 18288, 20320, 21752, 22860, 24384, 24471, 27190, 30480, 32628, 36576, 40640, 40785, 43504, 45720, 48768, 48942, 54380, 60960, 65256, 73152, 81280, 81570, 87008, 91440, 97884, 108760, 121920, 122355, 130512, 146304, 163140, 174016, 182880, 195768, 217520, 243840, 244710, 261024, 326280, 345313, 348032, 365760, 391536, 435040, 489420, 522048, 652560, 690626, 731520, 783072, 870080, 978840, 1035939, 1044096, 1305120, 1381252, 1566144, 1726565, 1740160, 1957680, 2071878, 2610240, 2762504, 3107817, 3132288, 3453130, 3915360, 4143756, 5179695, 5220480, 5525008, 6215634, 6906260, 7830720, 8287512, 10359390, 11050016, 12431268, 13812520, 15539085, 15661440, 16575024, 20718780, 22100032, 24862536, 27625040, 31078170, 33150048, 41437560, 44200064, 49725072, 55250080, 62156340, 66300096, 82875120, 99450144, 110500160, 124312680, 132600192, 165750240, 198900288, 221000320, 248625360, 331500480, 397800576, 497250720, 663000960, 994501440, 1989002880]

約数ペア:

[(1, 1989002880), (2, 994501440), (3, 663000960), (4, 497250720), (5, 397800576), (6, 331500480), (8, 248625360), (9, 221000320), (10, 198900288), (12, 165750240), (15, 132600192), (16, 124312680), (18, 110500160), (20, 99450144), (24, 82875120), (30, 66300096), (32, 62156340), (36, 55250080), (40, 49725072), (45, 44200064), (48, 41437560), (60, 33150048), (64, 31078170), (72, 27625040), (80, 24862536), (90, 22100032), (96, 20718780), (120, 16575024), (127, 15661440), (128, 15539085), (144, 13812520), (160, 12431268), (180, 11050016), (192, 10359390), (240, 8287512), (254, 7830720), (288, 6906260), (320, 6215634), (360, 5525008), (381, 5220480), (384, 5179695), (480, 4143756), (508, 3915360), (576, 3453130), (635, 3132288), (640, 3107817), (720, 2762504), (762, 2610240), (960, 2071878), (1016, 1957680), (1143, 1740160), (1152, 1726565), (1270, 1566144), (1440, 1381252), (1524, 1305120), (1905, 1044096), (1920, 1035939), (2032, 978840), (2286, 870080), (2540, 783072), (2719, 731520), (2880, 690626), (3048, 652560), (3810, 522048), (4064, 489420), (4572, 435040), (5080, 391536), (5438, 365760), (5715, 348032), (5760, 345313), (6096, 326280), (7620, 261024), (8128, 244710), (8157, 243840), (9144, 217520), (10160, 195768), (10876, 182880), (11430, 174016), (12192, 163140), (13595, 146304), (15240, 130512), (16256, 122355), (16314, 121920), (18288, 108760), (20320, 97884), (21752, 91440), (22860, 87008), (24384, 81570), (24471, 81280), (27190, 73152), (30480, 65256), (32628, 60960), (36576, 54380), (40640, 48942), (40785, 48768), (43504, 45720)]