16859920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 240

約数和(自身を含む): 54960768

約数和(自身を除く): 38100848

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 23, 28, 34, 35, 40, 44, 46, 49, 55, 56, 68, 70, 77, 80, 85, 88, 92, 98, 110, 112, 115, 119, 136, 140, 154, 161, 170, 176, 184, 187, 196, 220, 230, 238, 245, 253, 272, 280, 308, 322, 340, 368, 374, 385, 391, 392, 440, 460, 476, 490, 506, 539, 560, 595, 616, 644, 680, 748, 770, 782, 784, 805, 833, 880, 920, 935, 952, 980, 1012, 1078, 1127, 1190, 1232, 1265, 1288, 1309, 1360, 1496, 1540, 1564, 1610, 1666, 1771, 1840, 1870, 1904, 1955, 1960, 2024, 2156, 2254, 2380, 2530, 2576, 2618, 2695, 2737, 2992, 3080, 3128, 3220, 3332, 3542, 3740, 3910, 3920, 4048, 4165, 4301, 4312, 4508, 4760, 5060, 5236, 5390, 5474, 5635, 6160, 6256, 6440, 6545, 6664, 7084, 7480, 7820, 8330, 8602, 8624, 8855, 9016, 9163, 9520, 10120, 10472, 10780, 10948, 11270, 12397, 12880, 13090, 13328, 13685, 14168, 14960, 15640, 16660, 17204, 17710, 18032, 18326, 19159, 20240, 20944, 21505, 21560, 21896, 22540, 24794, 26180, 27370, 28336, 30107, 31280, 33320, 34408, 35420, 36652, 38318, 43010, 43120, 43792, 45080, 45815, 49588, 52360, 54740, 60214, 61985, 66640, 68816, 70840, 73304, 76636, 86020, 90160, 91630, 95795, 99176, 104720, 109480, 120428, 123970, 141680, 146608, 150535, 153272, 172040, 183260, 191590, 198352, 210749, 218960, 240856, 247940, 301070, 306544, 344080, 366520, 383180, 421498, 481712, 495880, 602140, 733040, 766360, 842996, 991760, 1053745, 1204280, 1532720, 1685992, 2107490, 2408560, 3371984, 4214980, 8429960, 16859920]

約数ペア:

[(1, 16859920), (2, 8429960), (4, 4214980), (5, 3371984), (7, 2408560), (8, 2107490), (10, 1685992), (11, 1532720), (14, 1204280), (16, 1053745), (17, 991760), (20, 842996), (22, 766360), (23, 733040), (28, 602140), (34, 495880), (35, 481712), (40, 421498), (44, 383180), (46, 366520), (49, 344080), (55, 306544), (56, 301070), (68, 247940), (70, 240856), (77, 218960), (80, 210749), (85, 198352), (88, 191590), (92, 183260), (98, 172040), (110, 153272), (112, 150535), (115, 146608), (119, 141680), (136, 123970), (140, 120428), (154, 109480), (161, 104720), (170, 99176), (176, 95795), (184, 91630), (187, 90160), (196, 86020), (220, 76636), (230, 73304), (238, 70840), (245, 68816), (253, 66640), (272, 61985), (280, 60214), (308, 54740), (322, 52360), (340, 49588), (368, 45815), (374, 45080), (385, 43792), (391, 43120), (392, 43010), (440, 38318), (460, 36652), (476, 35420), (490, 34408), (506, 33320), (539, 31280), (560, 30107), (595, 28336), (616, 27370), (644, 26180), (680, 24794), (748, 22540), (770, 21896), (782, 21560), (784, 21505), (805, 20944), (833, 20240), (880, 19159), (920, 18326), (935, 18032), (952, 17710), (980, 17204), (1012, 16660), (1078, 15640), (1127, 14960), (1190, 14168), (1232, 13685), (1265, 13328), (1288, 13090), (1309, 12880), (1360, 12397), (1496, 11270), (1540, 10948), (1564, 10780), (1610, 10472), (1666, 10120), (1771, 9520), (1840, 9163), (1870, 9016), (1904, 8855), (1955, 8624), (1960, 8602), (2024, 8330), (2156, 7820), (2254, 7480), (2380, 7084), (2530, 6664), (2576, 6545), (2618, 6440), (2695, 6256), (2737, 6160), (2992, 5635), (3080, 5474), (3128, 5390), (3220, 5236), (3332, 5060), (3542, 4760), (3740, 4508), (3910, 4312), (3920, 4301), (4048, 4165)]