1276757720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{15149}}^1$

素因数の和:15217

約数の個数: 96

約数和(自身を含む): 3419658000

約数和(自身を除く): 2142900280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 172, 196, 215, 245, 280, 301, 344, 392, 430, 490, 602, 860, 980, 1204, 1505, 1720, 1960, 2107, 2408, 3010, 4214, 6020, 8428, 10535, 12040, 15149, 16856, 21070, 30298, 42140, 60596, 75745, 84280, 106043, 121192, 151490, 212086, 302980, 424172, 530215, 605960, 651407, 742301, 848344, 1060430, 1302814, 1484602, 2120860, 2605628, 2969204, 3257035, 3711505, 4241720, 4559849, 5211256, 5938408, 6514070, 7423010, 9119698, 13028140, 14846020, 18239396, 22799245, 26056280, 29692040, 31918943, 36478792, 45598490, 63837886, 91196980, 127675772, 159594715, 182393960, 255351544, 319189430, 638378860, 1276757720]

約数ペア:

[(1, 1276757720), (2, 638378860), (4, 319189430), (5, 255351544), (7, 182393960), (8, 159594715), (10, 127675772), (14, 91196980), (20, 63837886), (28, 45598490), (35, 36478792), (40, 31918943), (43, 29692040), (49, 26056280), (56, 22799245), (70, 18239396), (86, 14846020), (98, 13028140), (140, 9119698), (172, 7423010), (196, 6514070), (215, 5938408), (245, 5211256), (280, 4559849), (301, 4241720), (344, 3711505), (392, 3257035), (430, 2969204), (490, 2605628), (602, 2120860), (860, 1484602), (980, 1302814), (1204, 1060430), (1505, 848344), (1720, 742301), (1960, 651407), (2107, 605960), (2408, 530215), (3010, 424172), (4214, 302980), (6020, 212086), (8428, 151490), (10535, 121192), (12040, 106043), (15149, 84280), (16856, 75745), (21070, 60596), (30298, 42140)]