77529520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 192978720

約数和(自身を除く): 115449200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 523, 545, 680, 872, 1046, 1090, 1360, 1744, 1853, 2092, 2180, 2615, 3706, 4184, 4360, 5230, 7412, 8368, 8720, 8891, 9265, 10460, 14824, 17782, 18530, 20920, 29648, 35564, 37060, 41840, 44455, 57007, 71128, 74120, 88910, 114014, 142256, 148240, 177820, 228028, 285035, 355640, 456056, 570070, 711280, 912112, 969119, 1140140, 1938238, 2280280, 3876476, 4560560, 4845595, 7752952, 9691190, 15505904, 19382380, 38764760, 77529520]

約数ペア:

[(1, 77529520), (2, 38764760), (4, 19382380), (5, 15505904), (8, 9691190), (10, 7752952), (16, 4845595), (17, 4560560), (20, 3876476), (34, 2280280), (40, 1938238), (68, 1140140), (80, 969119), (85, 912112), (109, 711280), (136, 570070), (170, 456056), (218, 355640), (272, 285035), (340, 228028), (436, 177820), (523, 148240), (545, 142256), (680, 114014), (872, 88910), (1046, 74120), (1090, 71128), (1360, 57007), (1744, 44455), (1853, 41840), (2092, 37060), (2180, 35564), (2615, 29648), (3706, 20920), (4184, 18530), (4360, 17782), (5230, 14824), (7412, 10460), (8368, 9265), (8720, 8891)]