12865440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{547}}^1$

素因数の和:579

約数の個数: 144

約数和(自身を含む): 47228832

約数和(自身を除く): 34363392

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 547, 560, 588, 672, 735, 784, 840, 980, 1094, 1120, 1176, 1470, 1568, 1641, 1680, 1960, 2188, 2352, 2735, 2940, 3282, 3360, 3829, 3920, 4376, 4704, 5470, 5880, 6564, 7658, 7840, 8205, 8752, 10940, 11487, 11760, 13128, 15316, 16410, 17504, 19145, 21880, 22974, 23520, 26256, 26803, 30632, 32820, 38290, 43760, 45948, 52512, 53606, 57435, 61264, 65640, 76580, 80409, 87520, 91896, 107212, 114870, 122528, 131280, 134015, 153160, 160818, 183792, 214424, 229740, 262560, 268030, 306320, 321636, 367584, 402045, 428848, 459480, 536060, 612640, 643272, 804090, 857696, 918960, 1072120, 1286544, 1608180, 1837920, 2144240, 2573088, 3216360, 4288480, 6432720, 12865440]

約数ペア:

[(1, 12865440), (2, 6432720), (3, 4288480), (4, 3216360), (5, 2573088), (6, 2144240), (7, 1837920), (8, 1608180), (10, 1286544), (12, 1072120), (14, 918960), (15, 857696), (16, 804090), (20, 643272), (21, 612640), (24, 536060), (28, 459480), (30, 428848), (32, 402045), (35, 367584), (40, 321636), (42, 306320), (48, 268030), (49, 262560), (56, 229740), (60, 214424), (70, 183792), (80, 160818), (84, 153160), (96, 134015), (98, 131280), (105, 122528), (112, 114870), (120, 107212), (140, 91896), (147, 87520), (160, 80409), (168, 76580), (196, 65640), (210, 61264), (224, 57435), (240, 53606), (245, 52512), (280, 45948), (294, 43760), (336, 38290), (392, 32820), (420, 30632), (480, 26803), (490, 26256), (547, 23520), (560, 22974), (588, 21880), (672, 19145), (735, 17504), (784, 16410), (840, 15316), (980, 13128), (1094, 11760), (1120, 11487), (1176, 10940), (1470, 8752), (1568, 8205), (1641, 7840), (1680, 7658), (1960, 6564), (2188, 5880), (2352, 5470), (2735, 4704), (2940, 4376), (3282, 3920), (3360, 3829)]