76756720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 186496992

約数和(自身を除く): 109740272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 106, 172, 212, 215, 265, 344, 421, 424, 430, 530, 688, 842, 848, 860, 1060, 1684, 1720, 2105, 2120, 2279, 3368, 3440, 4210, 4240, 4558, 6736, 8420, 9116, 11395, 16840, 18103, 18232, 22313, 22790, 33680, 36206, 36464, 44626, 45580, 72412, 89252, 90515, 91160, 111565, 144824, 178504, 181030, 182320, 223130, 289648, 357008, 362060, 446260, 724120, 892520, 959459, 1448240, 1785040, 1918918, 3837836, 4797295, 7675672, 9594590, 15351344, 19189180, 38378360, 76756720]

約数ペア:

[(1, 76756720), (2, 38378360), (4, 19189180), (5, 15351344), (8, 9594590), (10, 7675672), (16, 4797295), (20, 3837836), (40, 1918918), (43, 1785040), (53, 1448240), (80, 959459), (86, 892520), (106, 724120), (172, 446260), (212, 362060), (215, 357008), (265, 289648), (344, 223130), (421, 182320), (424, 181030), (430, 178504), (530, 144824), (688, 111565), (842, 91160), (848, 90515), (860, 89252), (1060, 72412), (1684, 45580), (1720, 44626), (2105, 36464), (2120, 36206), (2279, 33680), (3368, 22790), (3440, 22313), (4210, 18232), (4240, 18103), (4558, 16840), (6736, 11395), (8420, 9116)]