6389138280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{19553}}^1$

素因数の和:19963

約数の個数: 128

約数和(自身を含む): 21963052800

約数和(自身を除く): 15573914520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 389, 420, 778, 840, 1167, 1556, 1945, 2334, 2723, 3112, 3890, 4668, 5446, 5835, 7780, 8169, 9336, 10892, 11670, 13615, 15560, 16338, 19553, 21784, 23340, 27230, 32676, 39106, 40845, 46680, 54460, 58659, 65352, 78212, 81690, 97765, 108920, 117318, 136871, 156424, 163380, 195530, 234636, 273742, 293295, 326760, 391060, 410613, 469272, 547484, 586590, 684355, 782120, 821226, 1094968, 1173180, 1368710, 1642452, 2053065, 2346360, 2737420, 3284904, 4106130, 5474840, 7606117, 8212260, 15212234, 16424520, 22818351, 30424468, 38030585, 45636702, 53242819, 60848936, 76061170, 91273404, 106485638, 114091755, 152122340, 159728457, 182546808, 212971276, 228183510, 266214095, 304244680, 319456914, 425942552, 456367020, 532428190, 638913828, 798642285, 912734040, 1064856380, 1277827656, 1597284570, 2129712760, 3194569140, 6389138280]

約数ペア:

[(1, 6389138280), (2, 3194569140), (3, 2129712760), (4, 1597284570), (5, 1277827656), (6, 1064856380), (7, 912734040), (8, 798642285), (10, 638913828), (12, 532428190), (14, 456367020), (15, 425942552), (20, 319456914), (21, 304244680), (24, 266214095), (28, 228183510), (30, 212971276), (35, 182546808), (40, 159728457), (42, 152122340), (56, 114091755), (60, 106485638), (70, 91273404), (84, 76061170), (105, 60848936), (120, 53242819), (140, 45636702), (168, 38030585), (210, 30424468), (280, 22818351), (389, 16424520), (420, 15212234), (778, 8212260), (840, 7606117), (1167, 5474840), (1556, 4106130), (1945, 3284904), (2334, 2737420), (2723, 2346360), (3112, 2053065), (3890, 1642452), (4668, 1368710), (5446, 1173180), (5835, 1094968), (7780, 821226), (8169, 782120), (9336, 684355), (10892, 586590), (11670, 547484), (13615, 469272), (15560, 410613), (16338, 391060), (19553, 326760), (21784, 293295), (23340, 273742), (27230, 234636), (32676, 195530), (39106, 163380), (40845, 156424), (46680, 136871), (54460, 117318), (58659, 108920), (65352, 97765), (78212, 81690)]