640622088

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1123}}^1$

素因数の和:1296

約数の個数: 128

約数和(自身を含む): 1888320000

約数和(自身を除く): 1247697912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 139, 152, 171, 216, 228, 278, 342, 417, 456, 513, 556, 684, 834, 1026, 1112, 1123, 1251, 1368, 1668, 2052, 2246, 2502, 2641, 3336, 3369, 3753, 4104, 4492, 5004, 5282, 6738, 7506, 7923, 8984, 10008, 10107, 10564, 13476, 15012, 15846, 20214, 21128, 21337, 23769, 26952, 30024, 30321, 31692, 40428, 42674, 47538, 60642, 63384, 64011, 71307, 80856, 85348, 95076, 121284, 128022, 142614, 156097, 170696, 190152, 192033, 242568, 256044, 285228, 312194, 384066, 468291, 512088, 570456, 576099, 624388, 768132, 936582, 1152198, 1248776, 1404873, 1536264, 1873164, 2304396, 2809746, 2965843, 3746328, 4214619, 4608792, 5619492, 5931686, 8429238, 8897529, 11238984, 11863372, 16858476, 17795058, 23726744, 26692587, 33716952, 35590116, 53385174, 71180232, 80077761, 106770348, 160155522, 213540696, 320311044, 640622088]

約数ペア:

[(1, 640622088), (2, 320311044), (3, 213540696), (4, 160155522), (6, 106770348), (8, 80077761), (9, 71180232), (12, 53385174), (18, 35590116), (19, 33716952), (24, 26692587), (27, 23726744), (36, 17795058), (38, 16858476), (54, 11863372), (57, 11238984), (72, 8897529), (76, 8429238), (108, 5931686), (114, 5619492), (139, 4608792), (152, 4214619), (171, 3746328), (216, 2965843), (228, 2809746), (278, 2304396), (342, 1873164), (417, 1536264), (456, 1404873), (513, 1248776), (556, 1152198), (684, 936582), (834, 768132), (1026, 624388), (1112, 576099), (1123, 570456), (1251, 512088), (1368, 468291), (1668, 384066), (2052, 312194), (2246, 285228), (2502, 256044), (2641, 242568), (3336, 192033), (3369, 190152), (3753, 170696), (4104, 156097), (4492, 142614), (5004, 128022), (5282, 121284), (6738, 95076), (7506, 85348), (7923, 80856), (8984, 71307), (10008, 64011), (10107, 63384), (10564, 60642), (13476, 47538), (15012, 42674), (15846, 40428), (20214, 31692), (21128, 30321), (21337, 30024), (23769, 26952)]