31017228800

素因数分解:

$2^9\times 5^2\times {\mathrm{239}}^1\times {\mathrm{10139}}^1$

素因数の和:10406

約数の個数: 120

約数和(自身を含む): 77176756800

約数和(自身を除く): 46159528000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 239, 256, 320, 400, 478, 512, 640, 800, 956, 1195, 1280, 1600, 1912, 2390, 2560, 3200, 3824, 4780, 5975, 6400, 7648, 9560, 10139, 11950, 12800, 15296, 19120, 20278, 23900, 30592, 38240, 40556, 47800, 50695, 61184, 76480, 81112, 95600, 101390, 122368, 152960, 162224, 191200, 202780, 253475, 305920, 324448, 382400, 405560, 506950, 611840, 648896, 764800, 811120, 1013900, 1297792, 1529600, 1622240, 2027800, 2423221, 2595584, 3059200, 3244480, 4055600, 4846442, 5191168, 6488960, 8111200, 9692884, 12116105, 12977920, 16222400, 19385768, 24232210, 25955840, 32444800, 38771536, 48464420, 60580525, 64889600, 77543072, 96928840, 121161050, 129779200, 155086144, 193857680, 242322100, 310172288, 387715360, 484644200, 620344576, 775430720, 969288400, 1240689152, 1550861440, 1938576800, 3101722880, 3877153600, 6203445760, 7754307200, 15508614400, 31017228800]

約数ペア:

[(1, 31017228800), (2, 15508614400), (4, 7754307200), (5, 6203445760), (8, 3877153600), (10, 3101722880), (16, 1938576800), (20, 1550861440), (25, 1240689152), (32, 969288400), (40, 775430720), (50, 620344576), (64, 484644200), (80, 387715360), (100, 310172288), (128, 242322100), (160, 193857680), (200, 155086144), (239, 129779200), (256, 121161050), (320, 96928840), (400, 77543072), (478, 64889600), (512, 60580525), (640, 48464420), (800, 38771536), (956, 32444800), (1195, 25955840), (1280, 24232210), (1600, 19385768), (1912, 16222400), (2390, 12977920), (2560, 12116105), (3200, 9692884), (3824, 8111200), (4780, 6488960), (5975, 5191168), (6400, 4846442), (7648, 4055600), (9560, 3244480), (10139, 3059200), (11950, 2595584), (12800, 2423221), (15296, 2027800), (19120, 1622240), (20278, 1529600), (23900, 1297792), (30592, 1013900), (38240, 811120), (40556, 764800), (47800, 648896), (50695, 611840), (61184, 506950), (76480, 405560), (81112, 382400), (95600, 324448), (101390, 305920), (122368, 253475), (152960, 202780), (162224, 191200)]