287900480

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 224

約数和(自身を含む): 831494400

約数和(自身を除く): 543593920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 61, 64, 70, 80, 86, 98, 112, 122, 140, 160, 172, 196, 215, 224, 244, 245, 280, 301, 305, 320, 343, 344, 392, 427, 430, 448, 488, 490, 560, 602, 610, 686, 688, 784, 854, 860, 976, 980, 1120, 1204, 1220, 1372, 1376, 1505, 1568, 1708, 1715, 1720, 1952, 1960, 2107, 2135, 2240, 2408, 2440, 2623, 2744, 2752, 2989, 3010, 3136, 3416, 3430, 3440, 3904, 3920, 4214, 4270, 4816, 4880, 5246, 5488, 5978, 6020, 6832, 6860, 6880, 7840, 8428, 8540, 9632, 9760, 10492, 10535, 10976, 11956, 12040, 13115, 13664, 13720, 13760, 14749, 14945, 15680, 16856, 17080, 18361, 19264, 19520, 20923, 20984, 21070, 21952, 23912, 24080, 26230, 27328, 27440, 29498, 29890, 33712, 34160, 36722, 41846, 41968, 42140, 47824, 48160, 52460, 54880, 58996, 59780, 67424, 68320, 73444, 73745, 83692, 83936, 84280, 91805, 95648, 96320, 104615, 104920, 109760, 117992, 119560, 128527, 134848, 136640, 146888, 147490, 167384, 167872, 168560, 183610, 191296, 209230, 209840, 235984, 239120, 257054, 293776, 294980, 334768, 337120, 367220, 418460, 419680, 471968, 478240, 514108, 587552, 589960, 642635, 669536, 674240, 734440, 836920, 839360, 899689, 943936, 956480, 1028216, 1175104, 1179920, 1285270, 1339072, 1468880, 1673840, 1799378, 2056432, 2359840, 2570540, 2937760, 3347680, 3598756, 4112864, 4498445, 4719680, 5141080, 5875520, 6695360, 7197512, 8225728, 8996890, 10282160, 14395024, 17993780, 20564320, 28790048, 35987560, 41128640, 57580096, 71975120, 143950240, 287900480]

約数ペア:

[(1, 287900480), (2, 143950240), (4, 71975120), (5, 57580096), (7, 41128640), (8, 35987560), (10, 28790048), (14, 20564320), (16, 17993780), (20, 14395024), (28, 10282160), (32, 8996890), (35, 8225728), (40, 7197512), (43, 6695360), (49, 5875520), (56, 5141080), (61, 4719680), (64, 4498445), (70, 4112864), (80, 3598756), (86, 3347680), (98, 2937760), (112, 2570540), (122, 2359840), (140, 2056432), (160, 1799378), (172, 1673840), (196, 1468880), (215, 1339072), (224, 1285270), (244, 1179920), (245, 1175104), (280, 1028216), (301, 956480), (305, 943936), (320, 899689), (343, 839360), (344, 836920), (392, 734440), (427, 674240), (430, 669536), (448, 642635), (488, 589960), (490, 587552), (560, 514108), (602, 478240), (610, 471968), (686, 419680), (688, 418460), (784, 367220), (854, 337120), (860, 334768), (976, 294980), (980, 293776), (1120, 257054), (1204, 239120), (1220, 235984), (1372, 209840), (1376, 209230), (1505, 191296), (1568, 183610), (1708, 168560), (1715, 167872), (1720, 167384), (1952, 147490), (1960, 146888), (2107, 136640), (2135, 134848), (2240, 128527), (2408, 119560), (2440, 117992), (2623, 109760), (2744, 104920), (2752, 104615), (2989, 96320), (3010, 95648), (3136, 91805), (3416, 84280), (3430, 83936), (3440, 83692), (3904, 73745), (3920, 73444), (4214, 68320), (4270, 67424), (4816, 59780), (4880, 58996), (5246, 54880), (5488, 52460), (5978, 48160), (6020, 47824), (6832, 42140), (6860, 41968), (6880, 41846), (7840, 36722), (8428, 34160), (8540, 33712), (9632, 29890), (9760, 29498), (10492, 27440), (10535, 27328), (10976, 26230), (11956, 24080), (12040, 23912), (13115, 21952), (13664, 21070), (13720, 20984), (13760, 20923), (14749, 19520), (14945, 19264), (15680, 18361), (16856, 17080)]