19565280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{647}}^1$

素因数の和:678

約数の個数: 192

約数和(自身を含む): 78382080

約数和(自身を除く): 58816800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 647, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1294, 1440, 1512, 1680, 1890, 1941, 2016, 2160, 2520, 2588, 3024, 3235, 3360, 3780, 3882, 4320, 4529, 5040, 5176, 5823, 6048, 6470, 7560, 7764, 9058, 9705, 10080, 10352, 11646, 12940, 13587, 15120, 15528, 17469, 18116, 19410, 20704, 22645, 23292, 25880, 27174, 29115, 30240, 31056, 34938, 36232, 38820, 40761, 45290, 46584, 51760, 54348, 58230, 62112, 67935, 69876, 72464, 77640, 81522, 87345, 90580, 93168, 103520, 108696, 116460, 122283, 135870, 139752, 144928, 155280, 163044, 174690, 181160, 186336, 203805, 217392, 232920, 244566, 271740, 279504, 310560, 326088, 349380, 362320, 407610, 434784, 465840, 489132, 543480, 559008, 611415, 652176, 698760, 724640, 815220, 931680, 978264, 1086960, 1222830, 1304352, 1397520, 1630440, 1956528, 2173920, 2445660, 2795040, 3260880, 3913056, 4891320, 6521760, 9782640, 19565280]

約数ペア:

[(1, 19565280), (2, 9782640), (3, 6521760), (4, 4891320), (5, 3913056), (6, 3260880), (7, 2795040), (8, 2445660), (9, 2173920), (10, 1956528), (12, 1630440), (14, 1397520), (15, 1304352), (16, 1222830), (18, 1086960), (20, 978264), (21, 931680), (24, 815220), (27, 724640), (28, 698760), (30, 652176), (32, 611415), (35, 559008), (36, 543480), (40, 489132), (42, 465840), (45, 434784), (48, 407610), (54, 362320), (56, 349380), (60, 326088), (63, 310560), (70, 279504), (72, 271740), (80, 244566), (84, 232920), (90, 217392), (96, 203805), (105, 186336), (108, 181160), (112, 174690), (120, 163044), (126, 155280), (135, 144928), (140, 139752), (144, 135870), (160, 122283), (168, 116460), (180, 108696), (189, 103520), (210, 93168), (216, 90580), (224, 87345), (240, 81522), (252, 77640), (270, 72464), (280, 69876), (288, 67935), (315, 62112), (336, 58230), (360, 54348), (378, 51760), (420, 46584), (432, 45290), (480, 40761), (504, 38820), (540, 36232), (560, 34938), (630, 31056), (647, 30240), (672, 29115), (720, 27174), (756, 25880), (840, 23292), (864, 22645), (945, 20704), (1008, 19410), (1080, 18116), (1120, 17469), (1260, 15528), (1294, 15120), (1440, 13587), (1512, 12940), (1680, 11646), (1890, 10352), (1941, 10080), (2016, 9705), (2160, 9058), (2520, 7764), (2588, 7560), (3024, 6470), (3235, 6048), (3360, 5823), (3780, 5176), (3882, 5040), (4320, 4529)]