315040880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:487

約数の個数: 160

約数和(自身を含む): 921369600

約数和(自身を除く): 606328720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 199, 220, 257, 280, 308, 385, 398, 440, 514, 560, 616, 770, 796, 880, 995, 1028, 1232, 1285, 1393, 1540, 1592, 1799, 1990, 2056, 2189, 2570, 2786, 2827, 3080, 3184, 3598, 3980, 4112, 4378, 5140, 5572, 5654, 6160, 6965, 7196, 7960, 8756, 8995, 10280, 10945, 11144, 11308, 13930, 14135, 14392, 15323, 15920, 17512, 17990, 19789, 20560, 21890, 22288, 22616, 27860, 28270, 28784, 30646, 35024, 35980, 39578, 43780, 45232, 51143, 55720, 56540, 61292, 71960, 76615, 79156, 87560, 98945, 102286, 111440, 113080, 122584, 143920, 153230, 158312, 175120, 197890, 204572, 226160, 245168, 255715, 306460, 316624, 358001, 395780, 409144, 511430, 562573, 612920, 716002, 791560, 818288, 1022860, 1125146, 1225840, 1432004, 1583120, 1790005, 2045720, 2250292, 2812865, 2864008, 3580010, 3938011, 4091440, 4500584, 5625730, 5728016, 7160020, 7876022, 9001168, 11251460, 14320040, 15752044, 19690055, 22502920, 28640080, 31504088, 39380110, 45005840, 63008176, 78760220, 157520440, 315040880]

約数ペア:

[(1, 315040880), (2, 157520440), (4, 78760220), (5, 63008176), (7, 45005840), (8, 39380110), (10, 31504088), (11, 28640080), (14, 22502920), (16, 19690055), (20, 15752044), (22, 14320040), (28, 11251460), (35, 9001168), (40, 7876022), (44, 7160020), (55, 5728016), (56, 5625730), (70, 4500584), (77, 4091440), (80, 3938011), (88, 3580010), (110, 2864008), (112, 2812865), (140, 2250292), (154, 2045720), (176, 1790005), (199, 1583120), (220, 1432004), (257, 1225840), (280, 1125146), (308, 1022860), (385, 818288), (398, 791560), (440, 716002), (514, 612920), (560, 562573), (616, 511430), (770, 409144), (796, 395780), (880, 358001), (995, 316624), (1028, 306460), (1232, 255715), (1285, 245168), (1393, 226160), (1540, 204572), (1592, 197890), (1799, 175120), (1990, 158312), (2056, 153230), (2189, 143920), (2570, 122584), (2786, 113080), (2827, 111440), (3080, 102286), (3184, 98945), (3598, 87560), (3980, 79156), (4112, 76615), (4378, 71960), (5140, 61292), (5572, 56540), (5654, 55720), (6160, 51143), (6965, 45232), (7196, 43780), (7960, 39578), (8756, 35980), (8995, 35024), (10280, 30646), (10945, 28784), (11144, 28270), (11308, 27860), (13930, 22616), (14135, 22288), (14392, 21890), (15323, 20560), (15920, 19789), (17512, 17990)]