20172620880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{15661}}^1$

素因数の和:17469

約数の個数: 120

約数和(自身を含む): 67788581640

約数和(自身を除く): 47615960760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1789, 3578, 5367, 7156, 8945, 10734, 14312, 15661, 16101, 17890, 21468, 26835, 28624, 31322, 32202, 35780, 42936, 46983, 53670, 62644, 64404, 71560, 78305, 80505, 85872, 93966, 107340, 125288, 128808, 140949, 143120, 156610, 161010, 187932, 214680, 234915, 250576, 257616, 281898, 313220, 322020, 375864, 429360, 469830, 563796, 626440, 644040, 704745, 751728, 939660, 1127592, 1252880, 1288080, 1409490, 1879320, 2255184, 2818980, 3758640, 5637960, 11275920, 28017529, 56035058, 84052587, 112070116, 140087645, 168105174, 224140232, 252157761, 280175290, 336210348, 420262935, 448280464, 504315522, 560350580, 672420696, 840525870, 1008631044, 1120701160, 1260788805, 1344841392, 1681051740, 2017262088, 2241402320, 2521577610, 3362103480, 4034524176, 5043155220, 6724206960, 10086310440, 20172620880]

約数ペア:

[(1, 20172620880), (2, 10086310440), (3, 6724206960), (4, 5043155220), (5, 4034524176), (6, 3362103480), (8, 2521577610), (9, 2241402320), (10, 2017262088), (12, 1681051740), (15, 1344841392), (16, 1260788805), (18, 1120701160), (20, 1008631044), (24, 840525870), (30, 672420696), (36, 560350580), (40, 504315522), (45, 448280464), (48, 420262935), (60, 336210348), (72, 280175290), (80, 252157761), (90, 224140232), (120, 168105174), (144, 140087645), (180, 112070116), (240, 84052587), (360, 56035058), (720, 28017529), (1789, 11275920), (3578, 5637960), (5367, 3758640), (7156, 2818980), (8945, 2255184), (10734, 1879320), (14312, 1409490), (15661, 1288080), (16101, 1252880), (17890, 1127592), (21468, 939660), (26835, 751728), (28624, 704745), (31322, 644040), (32202, 626440), (35780, 563796), (42936, 469830), (46983, 429360), (53670, 375864), (62644, 322020), (64404, 313220), (71560, 281898), (78305, 257616), (80505, 250576), (85872, 234915), (93966, 214680), (107340, 187932), (125288, 161010), (128808, 156610), (140949, 143120)]