77706880

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5279}}^1$

素因数の和:5321

約数の個数: 64

約数和(自身を含む): 193881600

約数和(自身を除く): 116174720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 5279, 7360, 10558, 14720, 21116, 26395, 42232, 52790, 84464, 105580, 121417, 168928, 211160, 242834, 337856, 422320, 485668, 607085, 675712, 844640, 971336, 1214170, 1689280, 1942672, 2428340, 3378560, 3885344, 4856680, 7770688, 9713360, 15541376, 19426720, 38853440, 77706880]

約数ペア:

[(1, 77706880), (2, 38853440), (4, 19426720), (5, 15541376), (8, 9713360), (10, 7770688), (16, 4856680), (20, 3885344), (23, 3378560), (32, 2428340), (40, 1942672), (46, 1689280), (64, 1214170), (80, 971336), (92, 844640), (115, 675712), (128, 607085), (160, 485668), (184, 422320), (230, 337856), (320, 242834), (368, 211160), (460, 168928), (640, 121417), (736, 105580), (920, 84464), (1472, 52790), (1840, 42232), (2944, 26395), (3680, 21116), (5279, 14720), (7360, 10558)]