678557412

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 240

約数和(自身を含む): 2058548800

約数和(自身を除く): 1379991388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 61, 76, 78, 81, 108, 114, 117, 122, 139, 156, 162, 171, 183, 228, 234, 244, 247, 278, 324, 342, 351, 366, 417, 468, 494, 513, 549, 556, 684, 702, 732, 741, 793, 834, 988, 1026, 1053, 1098, 1159, 1251, 1404, 1482, 1539, 1586, 1647, 1668, 1807, 2052, 2106, 2196, 2223, 2318, 2379, 2502, 2641, 2964, 3078, 3172, 3294, 3477, 3614, 3753, 4212, 4446, 4636, 4758, 4941, 5004, 5282, 5421, 6156, 6588, 6669, 6954, 7137, 7228, 7506, 7923, 8479, 8892, 9516, 9882, 10431, 10564, 10842, 11259, 13338, 13908, 14274, 15012, 15067, 15846, 16263, 16958, 19764, 20007, 20862, 21411, 21684, 22518, 23769, 25437, 26676, 28548, 30134, 31293, 31692, 32526, 33916, 34333, 40014, 41724, 42822, 45036, 45201, 47538, 48789, 50874, 60268, 62586, 64233, 65052, 68666, 71307, 76311, 80028, 85644, 90402, 93879, 95076, 97578, 101748, 102999, 110227, 125172, 128466, 135603, 137332, 142614, 146367, 152622, 161101, 180804, 187758, 195156, 205998, 213921, 220454, 228933, 256932, 271206, 285228, 292734, 305244, 308997, 322202, 330681, 375516, 406809, 411996, 427842, 440908, 457866, 483303, 542412, 585468, 617994, 644404, 661362, 686799, 813618, 855684, 915732, 926991, 966606, 992043, 1220427, 1235988, 1322724, 1373598, 1449909, 1627236, 1853982, 1933212, 1984086, 2094313, 2440854, 2747196, 2780973, 2899818, 2976129, 3707964, 3968172, 4188626, 4349727, 4881708, 5561946, 5799636, 5952258, 6282939, 8377252, 8699454, 8928387, 11123892, 11904516, 12565878, 13049181, 17398908, 17856774, 18848817, 25131756, 26098362, 35713548, 37697634, 52196724, 56546451, 75395268, 113092902, 169639353, 226185804, 339278706, 678557412]

約数ペア:

[(1, 678557412), (2, 339278706), (3, 226185804), (4, 169639353), (6, 113092902), (9, 75395268), (12, 56546451), (13, 52196724), (18, 37697634), (19, 35713548), (26, 26098362), (27, 25131756), (36, 18848817), (38, 17856774), (39, 17398908), (52, 13049181), (54, 12565878), (57, 11904516), (61, 11123892), (76, 8928387), (78, 8699454), (81, 8377252), (108, 6282939), (114, 5952258), (117, 5799636), (122, 5561946), (139, 4881708), (156, 4349727), (162, 4188626), (171, 3968172), (183, 3707964), (228, 2976129), (234, 2899818), (244, 2780973), (247, 2747196), (278, 2440854), (324, 2094313), (342, 1984086), (351, 1933212), (366, 1853982), (417, 1627236), (468, 1449909), (494, 1373598), (513, 1322724), (549, 1235988), (556, 1220427), (684, 992043), (702, 966606), (732, 926991), (741, 915732), (793, 855684), (834, 813618), (988, 686799), (1026, 661362), (1053, 644404), (1098, 617994), (1159, 585468), (1251, 542412), (1404, 483303), (1482, 457866), (1539, 440908), (1586, 427842), (1647, 411996), (1668, 406809), (1807, 375516), (2052, 330681), (2106, 322202), (2196, 308997), (2223, 305244), (2318, 292734), (2379, 285228), (2502, 271206), (2641, 256932), (2964, 228933), (3078, 220454), (3172, 213921), (3294, 205998), (3477, 195156), (3614, 187758), (3753, 180804), (4212, 161101), (4446, 152622), (4636, 146367), (4758, 142614), (4941, 137332), (5004, 135603), (5282, 128466), (5421, 125172), (6156, 110227), (6588, 102999), (6669, 101748), (6954, 97578), (7137, 95076), (7228, 93879), (7506, 90402), (7923, 85644), (8479, 80028), (8892, 76311), (9516, 71307), (9882, 68666), (10431, 65052), (10564, 64233), (10842, 62586), (11259, 60268), (13338, 50874), (13908, 48789), (14274, 47538), (15012, 45201), (15067, 45036), (15846, 42822), (16263, 41724), (16958, 40014), (19764, 34333), (20007, 33916), (20862, 32526), (21411, 31692), (21684, 31293), (22518, 30134), (23769, 28548), (25437, 26676)]