20112841440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{821603}}^1$

素因数の和:821641

約数の個数: 144

約数和(自身を含む): 72672517008

約数和(自身を除く): 52559675568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 4080, 4896, 6120, 8160, 12240, 24480, 821603, 1643206, 2464809, 3286412, 4108015, 4929618, 6572824, 7394427, 8216030, 9859236, 12324045, 13145648, 13967251, 14788854, 16432060, 19718472, 24648090, 26291296, 27934502, 29577708, 32864120, 36972135, 39436944, 41901753, 49296180, 55869004, 59155416, 65728240, 69836255, 73944270, 78873888, 83803506, 98592360, 111738008, 118310832, 125705259, 131456480, 139672510, 147888540, 167607012, 197184720, 209508765, 223476016, 236621664, 251410518, 279345020, 295777080, 335214024, 394369440, 419017530, 446952032, 502821036, 558690040, 591554160, 628526295, 670428048, 838035060, 1005642072, 1117380080, 1183108320, 1257052590, 1340856096, 1676070120, 2011284144, 2234760160, 2514105180, 3352140240, 4022568288, 5028210360, 6704280480, 10056420720, 20112841440]

約数ペア:

[(1, 20112841440), (2, 10056420720), (3, 6704280480), (4, 5028210360), (5, 4022568288), (6, 3352140240), (8, 2514105180), (9, 2234760160), (10, 2011284144), (12, 1676070120), (15, 1340856096), (16, 1257052590), (17, 1183108320), (18, 1117380080), (20, 1005642072), (24, 838035060), (30, 670428048), (32, 628526295), (34, 591554160), (36, 558690040), (40, 502821036), (45, 446952032), (48, 419017530), (51, 394369440), (60, 335214024), (68, 295777080), (72, 279345020), (80, 251410518), (85, 236621664), (90, 223476016), (96, 209508765), (102, 197184720), (120, 167607012), (136, 147888540), (144, 139672510), (153, 131456480), (160, 125705259), (170, 118310832), (180, 111738008), (204, 98592360), (240, 83803506), (255, 78873888), (272, 73944270), (288, 69836255), (306, 65728240), (340, 59155416), (360, 55869004), (408, 49296180), (480, 41901753), (510, 39436944), (544, 36972135), (612, 32864120), (680, 29577708), (720, 27934502), (765, 26291296), (816, 24648090), (1020, 19718472), (1224, 16432060), (1360, 14788854), (1440, 13967251), (1530, 13145648), (1632, 12324045), (2040, 9859236), (2448, 8216030), (2720, 7394427), (3060, 6572824), (4080, 4929618), (4896, 4108015), (6120, 3286412), (8160, 2464809), (12240, 1643206), (24480, 821603)]