19649968160

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:619

約数の個数: 192

約数和(自身を含む): 49929384960

約数和(自身を除く): 30279416800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 167, 170, 181, 239, 272, 334, 340, 362, 478, 544, 668, 680, 724, 835, 905, 956, 1195, 1336, 1360, 1448, 1670, 1810, 1912, 2390, 2672, 2720, 2839, 2896, 3077, 3340, 3620, 3824, 4063, 4780, 5344, 5678, 5792, 6154, 6680, 7240, 7648, 8126, 9560, 11356, 12308, 13360, 14195, 14480, 15385, 16252, 19120, 20315, 22712, 24616, 26720, 28390, 28960, 30227, 30770, 32504, 38240, 39913, 40630, 43259, 45424, 49232, 56780, 60454, 61540, 65008, 79826, 81260, 86518, 90848, 98464, 113560, 120908, 123080, 130016, 151135, 159652, 162520, 173036, 199565, 216295, 227120, 241816, 246160, 302270, 319304, 325040, 346072, 399130, 432590, 454240, 483632, 492320, 513859, 604540, 638608, 650080, 678521, 692144, 735403, 798260, 865180, 967264, 1027718, 1209080, 1277216, 1357042, 1384288, 1470806, 1596520, 1730360, 2055436, 2418160, 2569295, 2714084, 2941612, 3193040, 3392605, 3460720, 3677015, 4110872, 4836320, 5138590, 5428168, 5883224, 6386080, 6785210, 6921440, 7224253, 7354030, 8221744, 10277180, 10856336, 11766448, 13570420, 14448506, 14708060, 16443488, 20554360, 21712672, 23532896, 27140840, 28897012, 29416120, 36121265, 41108720, 54281680, 57794024, 58832240, 72242530, 82217440, 108563360, 115588048, 117664480, 122812301, 144485060, 231176096, 245624602, 288970120, 491249204, 577940240, 614061505, 982498408, 1155880480, 1228123010, 1964996816, 2456246020, 3929993632, 4912492040, 9824984080, 19649968160]

約数ペア:

[(1, 19649968160), (2, 9824984080), (4, 4912492040), (5, 3929993632), (8, 2456246020), (10, 1964996816), (16, 1228123010), (17, 1155880480), (20, 982498408), (32, 614061505), (34, 577940240), (40, 491249204), (68, 288970120), (80, 245624602), (85, 231176096), (136, 144485060), (160, 122812301), (167, 117664480), (170, 115588048), (181, 108563360), (239, 82217440), (272, 72242530), (334, 58832240), (340, 57794024), (362, 54281680), (478, 41108720), (544, 36121265), (668, 29416120), (680, 28897012), (724, 27140840), (835, 23532896), (905, 21712672), (956, 20554360), (1195, 16443488), (1336, 14708060), (1360, 14448506), (1448, 13570420), (1670, 11766448), (1810, 10856336), (1912, 10277180), (2390, 8221744), (2672, 7354030), (2720, 7224253), (2839, 6921440), (2896, 6785210), (3077, 6386080), (3340, 5883224), (3620, 5428168), (3824, 5138590), (4063, 4836320), (4780, 4110872), (5344, 3677015), (5678, 3460720), (5792, 3392605), (6154, 3193040), (6680, 2941612), (7240, 2714084), (7648, 2569295), (8126, 2418160), (9560, 2055436), (11356, 1730360), (12308, 1596520), (13360, 1470806), (14195, 1384288), (14480, 1357042), (15385, 1277216), (16252, 1209080), (19120, 1027718), (20315, 967264), (22712, 865180), (24616, 798260), (26720, 735403), (28390, 692144), (28960, 678521), (30227, 650080), (30770, 638608), (32504, 604540), (38240, 513859), (39913, 492320), (40630, 483632), (43259, 454240), (45424, 432590), (49232, 399130), (56780, 346072), (60454, 325040), (61540, 319304), (65008, 302270), (79826, 246160), (81260, 241816), (86518, 227120), (90848, 216295), (98464, 199565), (113560, 173036), (120908, 162520), (123080, 159652), (130016, 151135)]