251139840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{9343}}^1$

素因数の和:9374

約数の個数: 144

約数和(自身を含む): 916758528

約数和(自身を除く): 665618688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 9343, 13440, 18686, 26880, 28029, 37372, 46715, 56058, 65401, 74744, 93430, 112116, 130802, 140145, 149488, 186860, 196203, 224232, 261604, 280290, 298976, 327005, 373720, 392406, 448464, 523208, 560580, 597952, 654010, 747440, 784812, 896928, 981015, 1046416, 1121160, 1195904, 1308020, 1494880, 1569624, 1793856, 1962030, 2092832, 2242320, 2391808, 2616040, 2989760, 3139248, 3587712, 3924060, 4185664, 4484640, 5232080, 5979520, 6278496, 7175424, 7848120, 8371328, 8969280, 10464160, 11959040, 12556992, 15696240, 16742656, 17938560, 20928320, 25113984, 31392480, 35877120, 41856640, 50227968, 62784960, 83713280, 125569920, 251139840]

約数ペア:

[(1, 251139840), (2, 125569920), (3, 83713280), (4, 62784960), (5, 50227968), (6, 41856640), (7, 35877120), (8, 31392480), (10, 25113984), (12, 20928320), (14, 17938560), (15, 16742656), (16, 15696240), (20, 12556992), (21, 11959040), (24, 10464160), (28, 8969280), (30, 8371328), (32, 7848120), (35, 7175424), (40, 6278496), (42, 5979520), (48, 5232080), (56, 4484640), (60, 4185664), (64, 3924060), (70, 3587712), (80, 3139248), (84, 2989760), (96, 2616040), (105, 2391808), (112, 2242320), (120, 2092832), (128, 1962030), (140, 1793856), (160, 1569624), (168, 1494880), (192, 1308020), (210, 1195904), (224, 1121160), (240, 1046416), (256, 981015), (280, 896928), (320, 784812), (336, 747440), (384, 654010), (420, 597952), (448, 560580), (480, 523208), (560, 448464), (640, 392406), (672, 373720), (768, 327005), (840, 298976), (896, 280290), (960, 261604), (1120, 224232), (1280, 196203), (1344, 186860), (1680, 149488), (1792, 140145), (1920, 130802), (2240, 112116), (2688, 93430), (3360, 74744), (3840, 65401), (4480, 56058), (5376, 46715), (6720, 37372), (8960, 28029), (9343, 26880), (13440, 18686)]