68408816

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 177131520

約数和(自身を除く): 108722704

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 31, 34, 38, 56, 61, 62, 68, 76, 112, 119, 122, 124, 133, 136, 152, 217, 238, 244, 248, 266, 272, 304, 323, 427, 434, 476, 488, 496, 527, 532, 589, 646, 854, 868, 952, 976, 1037, 1054, 1064, 1159, 1178, 1292, 1708, 1736, 1891, 1904, 2074, 2108, 2128, 2261, 2318, 2356, 2584, 3416, 3472, 3689, 3782, 4123, 4148, 4216, 4522, 4636, 4712, 5168, 6832, 7259, 7378, 7564, 8113, 8246, 8296, 8432, 9044, 9272, 9424, 10013, 13237, 14518, 14756, 15128, 16226, 16492, 16592, 18088, 18544, 19703, 20026, 26474, 29036, 29512, 30256, 32147, 32452, 32984, 35929, 36176, 39406, 40052, 52948, 58072, 59024, 64294, 64904, 65968, 70091, 71858, 78812, 80104, 105896, 116144, 128588, 129808, 137921, 140182, 143716, 157624, 160208, 211792, 225029, 251503, 257176, 275842, 280364, 287432, 315248, 450058, 503006, 514352, 551684, 560728, 574864, 610793, 900116, 1006012, 1103368, 1121456, 1221586, 1800232, 2012024, 2206736, 2443172, 3600464, 4024048, 4275551, 4886344, 8551102, 9772688, 17102204, 34204408, 68408816]

約数ペア:

[(1, 68408816), (2, 34204408), (4, 17102204), (7, 9772688), (8, 8551102), (14, 4886344), (16, 4275551), (17, 4024048), (19, 3600464), (28, 2443172), (31, 2206736), (34, 2012024), (38, 1800232), (56, 1221586), (61, 1121456), (62, 1103368), (68, 1006012), (76, 900116), (112, 610793), (119, 574864), (122, 560728), (124, 551684), (133, 514352), (136, 503006), (152, 450058), (217, 315248), (238, 287432), (244, 280364), (248, 275842), (266, 257176), (272, 251503), (304, 225029), (323, 211792), (427, 160208), (434, 157624), (476, 143716), (488, 140182), (496, 137921), (527, 129808), (532, 128588), (589, 116144), (646, 105896), (854, 80104), (868, 78812), (952, 71858), (976, 70091), (1037, 65968), (1054, 64904), (1064, 64294), (1159, 59024), (1178, 58072), (1292, 52948), (1708, 40052), (1736, 39406), (1891, 36176), (1904, 35929), (2074, 32984), (2108, 32452), (2128, 32147), (2261, 30256), (2318, 29512), (2356, 29036), (2584, 26474), (3416, 20026), (3472, 19703), (3689, 18544), (3782, 18088), (4123, 16592), (4148, 16492), (4216, 16226), (4522, 15128), (4636, 14756), (4712, 14518), (5168, 13237), (6832, 10013), (7259, 9424), (7378, 9272), (7564, 9044), (8113, 8432), (8246, 8296)]