64778560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:285

約数の個数: 168

約数和(自身を含む): 194584320

約数和(自身を除く): 129805760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 239, 242, 280, 308, 320, 352, 385, 440, 448, 478, 484, 560, 605, 616, 704, 770, 847, 880, 956, 968, 1120, 1195, 1210, 1232, 1540, 1673, 1694, 1760, 1912, 1936, 2240, 2390, 2420, 2464, 2629, 3080, 3346, 3388, 3520, 3824, 3872, 4235, 4780, 4840, 4928, 5258, 6160, 6692, 6776, 7648, 7744, 8365, 8470, 9560, 9680, 10516, 12320, 13145, 13384, 13552, 15296, 16730, 16940, 18403, 19120, 19360, 21032, 24640, 26290, 26768, 27104, 28919, 33460, 33880, 36806, 38240, 38720, 42064, 52580, 53536, 54208, 57838, 66920, 67760, 73612, 76480, 84128, 92015, 105160, 107072, 115676, 133840, 135520, 144595, 147224, 168256, 184030, 202433, 210320, 231352, 267680, 271040, 289190, 294448, 368060, 404866, 420640, 462704, 535360, 578380, 588896, 736120, 809732, 841280, 925408, 1012165, 1156760, 1177792, 1472240, 1619464, 1850816, 2024330, 2313520, 2944480, 3238928, 4048660, 4627040, 5888960, 6477856, 8097320, 9254080, 12955712, 16194640, 32389280, 64778560]

約数ペア:

[(1, 64778560), (2, 32389280), (4, 16194640), (5, 12955712), (7, 9254080), (8, 8097320), (10, 6477856), (11, 5888960), (14, 4627040), (16, 4048660), (20, 3238928), (22, 2944480), (28, 2313520), (32, 2024330), (35, 1850816), (40, 1619464), (44, 1472240), (55, 1177792), (56, 1156760), (64, 1012165), (70, 925408), (77, 841280), (80, 809732), (88, 736120), (110, 588896), (112, 578380), (121, 535360), (140, 462704), (154, 420640), (160, 404866), (176, 368060), (220, 294448), (224, 289190), (239, 271040), (242, 267680), (280, 231352), (308, 210320), (320, 202433), (352, 184030), (385, 168256), (440, 147224), (448, 144595), (478, 135520), (484, 133840), (560, 115676), (605, 107072), (616, 105160), (704, 92015), (770, 84128), (847, 76480), (880, 73612), (956, 67760), (968, 66920), (1120, 57838), (1195, 54208), (1210, 53536), (1232, 52580), (1540, 42064), (1673, 38720), (1694, 38240), (1760, 36806), (1912, 33880), (1936, 33460), (2240, 28919), (2390, 27104), (2420, 26768), (2464, 26290), (2629, 24640), (3080, 21032), (3346, 19360), (3388, 19120), (3520, 18403), (3824, 16940), (3872, 16730), (4235, 15296), (4780, 13552), (4840, 13384), (4928, 13145), (5258, 12320), (6160, 10516), (6692, 9680), (6776, 9560), (7648, 8470), (7744, 8365)]