247902720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 240

約数和(自身を含む): 862659072

約数和(自身を除く): 614756352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 191, 192, 195, 208, 240, 256, 260, 312, 320, 338, 382, 384, 390, 416, 480, 507, 512, 520, 573, 624, 640, 676, 764, 768, 780, 832, 845, 955, 960, 1014, 1040, 1146, 1248, 1280, 1352, 1528, 1536, 1560, 1664, 1690, 1910, 1920, 2028, 2080, 2292, 2483, 2496, 2535, 2560, 2704, 2865, 3056, 3120, 3328, 3380, 3820, 3840, 4056, 4160, 4584, 4966, 4992, 5070, 5408, 5730, 6112, 6240, 6656, 6760, 7449, 7640, 7680, 8112, 8320, 9168, 9932, 9984, 10140, 10816, 11460, 12224, 12415, 12480, 13520, 14898, 15280, 16224, 16640, 18336, 19864, 19968, 20280, 21632, 22920, 24448, 24830, 24960, 27040, 29796, 30560, 32279, 32448, 33280, 36672, 37245, 39728, 40560, 43264, 45840, 48896, 49660, 49920, 54080, 59592, 61120, 64558, 64896, 73344, 74490, 79456, 81120, 86528, 91680, 96837, 97792, 99320, 99840, 108160, 119184, 122240, 129116, 129792, 146688, 148980, 158912, 161395, 162240, 183360, 193674, 198640, 216320, 238368, 244480, 258232, 259584, 293376, 297960, 317824, 322790, 324480, 366720, 387348, 397280, 432640, 476736, 484185, 488960, 516464, 595920, 635648, 645580, 648960, 733440, 774696, 794560, 953472, 968370, 1032928, 1191840, 1271296, 1291160, 1297920, 1466880, 1549392, 1589120, 1906944, 1936740, 2065856, 2383680, 2582320, 3098784, 3178240, 3813888, 3873480, 4131712, 4767360, 5164640, 6197568, 6356480, 7746960, 8263424, 9534720, 10329280, 12395136, 15493920, 16526848, 19069440, 20658560, 24790272, 30987840, 41317120, 49580544, 61975680, 82634240, 123951360, 247902720]

約数ペア:

[(1, 247902720), (2, 123951360), (3, 82634240), (4, 61975680), (5, 49580544), (6, 41317120), (8, 30987840), (10, 24790272), (12, 20658560), (13, 19069440), (15, 16526848), (16, 15493920), (20, 12395136), (24, 10329280), (26, 9534720), (30, 8263424), (32, 7746960), (39, 6356480), (40, 6197568), (48, 5164640), (52, 4767360), (60, 4131712), (64, 3873480), (65, 3813888), (78, 3178240), (80, 3098784), (96, 2582320), (104, 2383680), (120, 2065856), (128, 1936740), (130, 1906944), (156, 1589120), (160, 1549392), (169, 1466880), (191, 1297920), (192, 1291160), (195, 1271296), (208, 1191840), (240, 1032928), (256, 968370), (260, 953472), (312, 794560), (320, 774696), (338, 733440), (382, 648960), (384, 645580), (390, 635648), (416, 595920), (480, 516464), (507, 488960), (512, 484185), (520, 476736), (573, 432640), (624, 397280), (640, 387348), (676, 366720), (764, 324480), (768, 322790), (780, 317824), (832, 297960), (845, 293376), (955, 259584), (960, 258232), (1014, 244480), (1040, 238368), (1146, 216320), (1248, 198640), (1280, 193674), (1352, 183360), (1528, 162240), (1536, 161395), (1560, 158912), (1664, 148980), (1690, 146688), (1910, 129792), (1920, 129116), (2028, 122240), (2080, 119184), (2292, 108160), (2483, 99840), (2496, 99320), (2535, 97792), (2560, 96837), (2704, 91680), (2865, 86528), (3056, 81120), (3120, 79456), (3328, 74490), (3380, 73344), (3820, 64896), (3840, 64558), (4056, 61120), (4160, 59592), (4584, 54080), (4966, 49920), (4992, 49660), (5070, 48896), (5408, 45840), (5730, 43264), (6112, 40560), (6240, 39728), (6656, 37245), (6760, 36672), (7449, 33280), (7640, 32448), (7680, 32279), (8112, 30560), (8320, 29796), (9168, 27040), (9932, 24960), (9984, 24830), (10140, 24448), (10816, 22920), (11460, 21632), (12224, 20280), (12415, 19968), (12480, 19864), (13520, 18336), (14898, 16640), (15280, 16224)]