128921280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{134293}}^1$

素因数の和:134313

約数の個数: 56

約数和(自身を含む): 409328112

約数和(自身を除く): 280406832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 134293, 268586, 402879, 537172, 671465, 805758, 1074344, 1342930, 1611516, 2014395, 2148688, 2685860, 3223032, 4028790, 4297376, 5371720, 6446064, 8057580, 8594752, 10743440, 12892128, 16115160, 21486880, 25784256, 32230320, 42973760, 64460640, 128921280]

約数ペア:

[(1, 128921280), (2, 64460640), (3, 42973760), (4, 32230320), (5, 25784256), (6, 21486880), (8, 16115160), (10, 12892128), (12, 10743440), (15, 8594752), (16, 8057580), (20, 6446064), (24, 5371720), (30, 4297376), (32, 4028790), (40, 3223032), (48, 2685860), (60, 2148688), (64, 2014395), (80, 1611516), (96, 1342930), (120, 1074344), (160, 805758), (192, 671465), (240, 537172), (320, 402879), (480, 268586), (960, 134293)]