1278478404

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1629

約数の個数: 216

約数和(自身を含む): 4130511840

約数和(自身を除く): 2852033436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 81, 84, 98, 102, 108, 119, 126, 147, 153, 162, 189, 196, 204, 238, 243, 252, 294, 306, 324, 357, 378, 441, 459, 476, 486, 567, 588, 612, 714, 756, 833, 882, 918, 972, 1071, 1134, 1323, 1377, 1428, 1579, 1666, 1701, 1764, 1836, 2142, 2268, 2499, 2646, 2754, 3158, 3213, 3332, 3402, 3969, 4131, 4284, 4737, 4998, 5292, 5508, 6316, 6426, 6804, 7497, 7938, 8262, 9474, 9639, 9996, 11053, 11907, 12852, 14211, 14994, 15876, 16524, 18948, 19278, 22106, 22491, 23814, 26843, 28422, 28917, 29988, 33159, 38556, 42633, 44212, 44982, 47628, 53686, 56844, 57834, 66318, 67473, 77371, 80529, 85266, 89964, 99477, 107372, 115668, 127899, 132636, 134946, 154742, 161058, 170532, 187901, 198954, 202419, 232113, 241587, 255798, 269892, 298431, 309484, 322116, 375802, 383697, 397908, 404838, 464226, 483174, 511596, 563703, 596862, 696339, 724761, 751604, 767394, 809676, 895293, 928452, 966348, 1127406, 1193724, 1315307, 1392678, 1449522, 1534788, 1691109, 1790586, 2089017, 2174283, 2254812, 2630614, 2685879, 2785356, 2899044, 3382218, 3581172, 3945921, 4178034, 4348566, 5073327, 5261228, 5371758, 6267051, 6522849, 6764436, 7891842, 8356068, 8697132, 10146654, 10743516, 11837763, 12534102, 13045698, 15219981, 15783684, 18801153, 20293308, 23675526, 25068204, 26091396, 30439962, 35513289, 37602306, 45659943, 47351052, 60879924, 71026578, 75204612, 91319886, 106539867, 142053156, 182639772, 213079734, 319619601, 426159468, 639239202, 1278478404]

約数ペア:

[(1, 1278478404), (2, 639239202), (3, 426159468), (4, 319619601), (6, 213079734), (7, 182639772), (9, 142053156), (12, 106539867), (14, 91319886), (17, 75204612), (18, 71026578), (21, 60879924), (27, 47351052), (28, 45659943), (34, 37602306), (36, 35513289), (42, 30439962), (49, 26091396), (51, 25068204), (54, 23675526), (63, 20293308), (68, 18801153), (81, 15783684), (84, 15219981), (98, 13045698), (102, 12534102), (108, 11837763), (119, 10743516), (126, 10146654), (147, 8697132), (153, 8356068), (162, 7891842), (189, 6764436), (196, 6522849), (204, 6267051), (238, 5371758), (243, 5261228), (252, 5073327), (294, 4348566), (306, 4178034), (324, 3945921), (357, 3581172), (378, 3382218), (441, 2899044), (459, 2785356), (476, 2685879), (486, 2630614), (567, 2254812), (588, 2174283), (612, 2089017), (714, 1790586), (756, 1691109), (833, 1534788), (882, 1449522), (918, 1392678), (972, 1315307), (1071, 1193724), (1134, 1127406), (1323, 966348), (1377, 928452), (1428, 895293), (1579, 809676), (1666, 767394), (1701, 751604), (1764, 724761), (1836, 696339), (2142, 596862), (2268, 563703), (2499, 511596), (2646, 483174), (2754, 464226), (3158, 404838), (3213, 397908), (3332, 383697), (3402, 375802), (3969, 322116), (4131, 309484), (4284, 298431), (4737, 269892), (4998, 255798), (5292, 241587), (5508, 232113), (6316, 202419), (6426, 198954), (6804, 187901), (7497, 170532), (7938, 161058), (8262, 154742), (9474, 134946), (9639, 132636), (9996, 127899), (11053, 115668), (11907, 107372), (12852, 99477), (14211, 89964), (14994, 85266), (15876, 80529), (16524, 77371), (18948, 67473), (19278, 66318), (22106, 57834), (22491, 56844), (23814, 53686), (26843, 47628), (28422, 44982), (28917, 44212), (29988, 42633), (33159, 38556)]