251466240

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 160

約数和(自身を含む): 813162240

約数和(自身を除く): 561696000

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, 137, 160, 192, 239, 240, 256, 274, 320, 384, 411, 478, 480, 512, 548, 640, 685, 717, 768, 822, 956, 960, 1096, 1195, 1280, 1370, 1434, 1536, 1644, 1912, 1920, 2055, 2192, 2390, 2560, 2740, 2868, 3288, 3585, 3824, 3840, 4110, 4384, 4780, 5480, 5736, 6576, 7170, 7648, 7680, 8220, 8768, 9560, 10960, 11472, 13152, 14340, 15296, 16440, 17536, 19120, 21920, 22944, 26304, 28680, 30592, 32743, 32880, 35072, 38240, 43840, 45888, 52608, 57360, 61184, 65486, 65760, 70144, 76480, 87680, 91776, 98229, 105216, 114720, 122368, 130972, 131520, 152960, 163715, 175360, 183552, 196458, 210432, 229440, 261944, 263040, 305920, 327430, 350720, 367104, 392916, 458880, 491145, 523888, 526080, 611840, 654860, 785832, 917760, 982290, 1047776, 1052160, 1309720, 1571664, 1835520, 1964580, 2095552, 2619440, 3143328, 3929160, 4191104, 5238880, 6286656, 7858320, 8382208, 10477760, 12573312, 15716640, 16764416, 20955520, 25146624, 31433280, 41911040, 50293248, 62866560, 83822080, 125733120, 251466240]

約数ペア:

[(1, 251466240), (2, 125733120), (3, 83822080), (4, 62866560), (5, 50293248), (6, 41911040), (8, 31433280), (10, 25146624), (12, 20955520), (15, 16764416), (16, 15716640), (20, 12573312), (24, 10477760), (30, 8382208), (32, 7858320), (40, 6286656), (48, 5238880), (60, 4191104), (64, 3929160), (80, 3143328), (96, 2619440), (120, 2095552), (128, 1964580), (137, 1835520), (160, 1571664), (192, 1309720), (239, 1052160), (240, 1047776), (256, 982290), (274, 917760), (320, 785832), (384, 654860), (411, 611840), (478, 526080), (480, 523888), (512, 491145), (548, 458880), (640, 392916), (685, 367104), (717, 350720), (768, 327430), (822, 305920), (956, 263040), (960, 261944), (1096, 229440), (1195, 210432), (1280, 196458), (1370, 183552), (1434, 175360), (1536, 163715), (1644, 152960), (1912, 131520), (1920, 130972), (2055, 122368), (2192, 114720), (2390, 105216), (2560, 98229), (2740, 91776), (2868, 87680), (3288, 76480), (3585, 70144), (3824, 65760), (3840, 65486), (4110, 61184), (4384, 57360), (4780, 52608), (5480, 45888), (5736, 43840), (6576, 38240), (7170, 35072), (7648, 32880), (7680, 32743), (8220, 30592), (8768, 28680), (9560, 26304), (10960, 22944), (11472, 21920), (13152, 19120), (14340, 17536), (15296, 16440)]