79983680

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{5101}}^1$

素因数の和:5132

約数の個数: 84

約数和(自身を含む): 221600268

約数和(自身を除く): 141616588

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 5101, 7840, 10202, 15680, 20404, 25505, 35707, 40808, 51010, 71414, 81616, 102020, 142828, 163232, 178535, 204040, 249949, 285656, 326464, 357070, 408080, 499898, 571312, 714140, 816160, 999796, 1142624, 1249745, 1428280, 1632320, 1999592, 2285248, 2499490, 2856560, 3999184, 4998980, 5713120, 7998368, 9997960, 11426240, 15996736, 19995920, 39991840, 79983680]

約数ペア:

[(1, 79983680), (2, 39991840), (4, 19995920), (5, 15996736), (7, 11426240), (8, 9997960), (10, 7998368), (14, 5713120), (16, 4998980), (20, 3999184), (28, 2856560), (32, 2499490), (35, 2285248), (40, 1999592), (49, 1632320), (56, 1428280), (64, 1249745), (70, 1142624), (80, 999796), (98, 816160), (112, 714140), (140, 571312), (160, 499898), (196, 408080), (224, 357070), (245, 326464), (280, 285656), (320, 249949), (392, 204040), (448, 178535), (490, 163232), (560, 142828), (784, 102020), (980, 81616), (1120, 71414), (1568, 51010), (1960, 40808), (2240, 35707), (3136, 25505), (3920, 20404), (5101, 15680), (7840, 10202)]