248712960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 800593920

約数和(自身を除く): 551880960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 239, 240, 256, 271, 320, 384, 478, 480, 542, 640, 717, 768, 813, 956, 960, 1084, 1195, 1280, 1355, 1434, 1626, 1912, 1920, 2168, 2390, 2710, 2868, 3252, 3585, 3824, 3840, 4065, 4336, 4780, 5420, 5736, 6504, 7170, 7648, 8130, 8672, 9560, 10840, 11472, 13008, 14340, 15296, 16260, 17344, 19120, 21680, 22944, 26016, 28680, 30592, 32520, 34688, 38240, 43360, 45888, 52032, 57360, 61184, 64769, 65040, 69376, 76480, 86720, 91776, 104064, 114720, 129538, 130080, 152960, 173440, 183552, 194307, 208128, 229440, 259076, 260160, 305920, 323845, 346880, 388614, 458880, 518152, 520320, 647690, 777228, 917760, 971535, 1036304, 1040640, 1295380, 1554456, 1943070, 2072608, 2590760, 3108912, 3886140, 4145216, 5181520, 6217824, 7772280, 8290432, 10363040, 12435648, 15544560, 16580864, 20726080, 24871296, 31089120, 41452160, 49742592, 62178240, 82904320, 124356480, 248712960]

約数ペア:

[(1, 248712960), (2, 124356480), (3, 82904320), (4, 62178240), (5, 49742592), (6, 41452160), (8, 31089120), (10, 24871296), (12, 20726080), (15, 16580864), (16, 15544560), (20, 12435648), (24, 10363040), (30, 8290432), (32, 7772280), (40, 6217824), (48, 5181520), (60, 4145216), (64, 3886140), (80, 3108912), (96, 2590760), (120, 2072608), (128, 1943070), (160, 1554456), (192, 1295380), (239, 1040640), (240, 1036304), (256, 971535), (271, 917760), (320, 777228), (384, 647690), (478, 520320), (480, 518152), (542, 458880), (640, 388614), (717, 346880), (768, 323845), (813, 305920), (956, 260160), (960, 259076), (1084, 229440), (1195, 208128), (1280, 194307), (1355, 183552), (1434, 173440), (1626, 152960), (1912, 130080), (1920, 129538), (2168, 114720), (2390, 104064), (2710, 91776), (2868, 86720), (3252, 76480), (3585, 69376), (3824, 65040), (3840, 64769), (4065, 61184), (4336, 57360), (4780, 52032), (5420, 45888), (5736, 43360), (6504, 38240), (7170, 34688), (7648, 32520), (8130, 30592), (8672, 28680), (9560, 26016), (10840, 22944), (11472, 21680), (13008, 19120), (14340, 17344), (15296, 16260)]