656474760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4373}}^1$

素因数の和:4532

約数の個数: 128

約数和(自身を含む): 2204496000

約数和(自身を除く): 1548021240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 139, 180, 216, 270, 278, 360, 417, 540, 556, 695, 834, 1080, 1112, 1251, 1390, 1668, 2085, 2502, 2780, 3336, 3753, 4170, 4373, 5004, 5560, 6255, 7506, 8340, 8746, 10008, 12510, 13119, 15012, 16680, 17492, 18765, 21865, 25020, 26238, 30024, 34984, 37530, 39357, 43730, 50040, 52476, 65595, 75060, 78714, 87460, 104952, 118071, 131190, 150120, 157428, 174920, 196785, 236142, 262380, 314856, 393570, 472284, 524760, 590355, 607847, 787140, 944568, 1180710, 1215694, 1574280, 1823541, 2361420, 2431388, 3039235, 3647082, 4722840, 4862776, 5470623, 6078470, 7294164, 9117705, 10941246, 12156940, 14588328, 16411869, 18235410, 21882492, 24313880, 27353115, 32823738, 36470820, 43764984, 54706230, 65647476, 72941640, 82059345, 109412460, 131294952, 164118690, 218824920, 328237380, 656474760]

約数ペア:

[(1, 656474760), (2, 328237380), (3, 218824920), (4, 164118690), (5, 131294952), (6, 109412460), (8, 82059345), (9, 72941640), (10, 65647476), (12, 54706230), (15, 43764984), (18, 36470820), (20, 32823738), (24, 27353115), (27, 24313880), (30, 21882492), (36, 18235410), (40, 16411869), (45, 14588328), (54, 12156940), (60, 10941246), (72, 9117705), (90, 7294164), (108, 6078470), (120, 5470623), (135, 4862776), (139, 4722840), (180, 3647082), (216, 3039235), (270, 2431388), (278, 2361420), (360, 1823541), (417, 1574280), (540, 1215694), (556, 1180710), (695, 944568), (834, 787140), (1080, 607847), (1112, 590355), (1251, 524760), (1390, 472284), (1668, 393570), (2085, 314856), (2502, 262380), (2780, 236142), (3336, 196785), (3753, 174920), (4170, 157428), (4373, 150120), (5004, 131190), (5560, 118071), (6255, 104952), (7506, 87460), (8340, 78714), (8746, 75060), (10008, 65595), (12510, 52476), (13119, 50040), (15012, 43730), (16680, 39357), (17492, 37530), (18765, 34984), (21865, 30024), (25020, 26238)]