68943210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:540

約数の個数: 128

約数和(自身を含む): 204871680

約数和(自身を除く): 135928470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 37, 38, 42, 57, 70, 74, 95, 105, 111, 114, 133, 185, 190, 210, 222, 259, 266, 285, 370, 399, 467, 518, 555, 570, 665, 703, 777, 798, 934, 1110, 1295, 1330, 1401, 1406, 1554, 1995, 2109, 2335, 2590, 2802, 3269, 3515, 3885, 3990, 4218, 4670, 4921, 6538, 7005, 7030, 7770, 8873, 9807, 9842, 10545, 14010, 14763, 16345, 17279, 17746, 19614, 21090, 24605, 26619, 29526, 32690, 34558, 44365, 49035, 49210, 51837, 53238, 62111, 73815, 86395, 88730, 98070, 103674, 120953, 124222, 133095, 147630, 172790, 186333, 241906, 259185, 266190, 310555, 328301, 362859, 372666, 518370, 604765, 621110, 656602, 725718, 931665, 984903, 1209530, 1641505, 1814295, 1863330, 1969806, 2298107, 3283010, 3628590, 4596214, 4924515, 6894321, 9849030, 11490535, 13788642, 22981070, 34471605, 68943210]

約数ペア:

[(1, 68943210), (2, 34471605), (3, 22981070), (5, 13788642), (6, 11490535), (7, 9849030), (10, 6894321), (14, 4924515), (15, 4596214), (19, 3628590), (21, 3283010), (30, 2298107), (35, 1969806), (37, 1863330), (38, 1814295), (42, 1641505), (57, 1209530), (70, 984903), (74, 931665), (95, 725718), (105, 656602), (111, 621110), (114, 604765), (133, 518370), (185, 372666), (190, 362859), (210, 328301), (222, 310555), (259, 266190), (266, 259185), (285, 241906), (370, 186333), (399, 172790), (467, 147630), (518, 133095), (555, 124222), (570, 120953), (665, 103674), (703, 98070), (777, 88730), (798, 86395), (934, 73815), (1110, 62111), (1295, 53238), (1330, 51837), (1401, 49210), (1406, 49035), (1554, 44365), (1995, 34558), (2109, 32690), (2335, 29526), (2590, 26619), (2802, 24605), (3269, 21090), (3515, 19614), (3885, 17746), (3990, 17279), (4218, 16345), (4670, 14763), (4921, 14010), (6538, 10545), (7005, 9842), (7030, 9807), (7770, 8873)]