1295698360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{68483}}^1$

素因数の和:68548

約数の個数: 64

約数和(自身を含む): 3254359680

約数和(自身を除く): 1958661320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 18920, 68483, 136966, 273932, 342415, 547864, 684830, 753313, 1369660, 1506626, 2739320, 2944769, 3013252, 3766565, 5889538, 6026504, 7533130, 11779076, 14723845, 15066260, 23558152, 29447690, 30132520, 32392459, 58895380, 64784918, 117790760, 129569836, 161962295, 259139672, 323924590, 647849180, 1295698360]

約数ペア:

[(1, 1295698360), (2, 647849180), (4, 323924590), (5, 259139672), (8, 161962295), (10, 129569836), (11, 117790760), (20, 64784918), (22, 58895380), (40, 32392459), (43, 30132520), (44, 29447690), (55, 23558152), (86, 15066260), (88, 14723845), (110, 11779076), (172, 7533130), (215, 6026504), (220, 5889538), (344, 3766565), (430, 3013252), (440, 2944769), (473, 2739320), (860, 1506626), (946, 1369660), (1720, 753313), (1892, 684830), (2365, 547864), (3784, 342415), (4730, 273932), (9460, 136966), (18920, 68483)]