231938560

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{43}}^2$

素因数の和:123

約数の個数: 180

約数和(自身を含む): 662296338

約数和(自身を除く): 430357778

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 98, 112, 128, 140, 160, 172, 196, 215, 224, 245, 256, 280, 301, 320, 344, 392, 430, 448, 490, 512, 560, 602, 640, 688, 784, 860, 896, 980, 1120, 1204, 1280, 1376, 1505, 1568, 1720, 1792, 1849, 1960, 2107, 2240, 2408, 2560, 2752, 3010, 3136, 3440, 3584, 3698, 3920, 4214, 4480, 4816, 5504, 6020, 6272, 6880, 7396, 7840, 8428, 8960, 9245, 9632, 10535, 11008, 12040, 12544, 12943, 13760, 14792, 15680, 16856, 17920, 18490, 19264, 21070, 22016, 24080, 25088, 25886, 27520, 29584, 31360, 33712, 36980, 38528, 42140, 48160, 51772, 55040, 59168, 62720, 64715, 67424, 73960, 77056, 84280, 90601, 96320, 103544, 110080, 118336, 125440, 129430, 134848, 147920, 154112, 168560, 181202, 192640, 207088, 236672, 258860, 269696, 295840, 337120, 362404, 385280, 414176, 453005, 473344, 517720, 539392, 591680, 674240, 724808, 770560, 828352, 906010, 946688, 1035440, 1078784, 1183360, 1348480, 1449616, 1656704, 1812020, 2070880, 2366720, 2696960, 2899232, 3313408, 3624040, 4141760, 4733440, 5393920, 5798464, 6626816, 7248080, 8283520, 11596928, 14496160, 16567040, 23193856, 28992320, 33134080, 46387712, 57984640, 115969280, 231938560]

約数ペア:

[(1, 231938560), (2, 115969280), (4, 57984640), (5, 46387712), (7, 33134080), (8, 28992320), (10, 23193856), (14, 16567040), (16, 14496160), (20, 11596928), (28, 8283520), (32, 7248080), (35, 6626816), (40, 5798464), (43, 5393920), (49, 4733440), (56, 4141760), (64, 3624040), (70, 3313408), (80, 2899232), (86, 2696960), (98, 2366720), (112, 2070880), (128, 1812020), (140, 1656704), (160, 1449616), (172, 1348480), (196, 1183360), (215, 1078784), (224, 1035440), (245, 946688), (256, 906010), (280, 828352), (301, 770560), (320, 724808), (344, 674240), (392, 591680), (430, 539392), (448, 517720), (490, 473344), (512, 453005), (560, 414176), (602, 385280), (640, 362404), (688, 337120), (784, 295840), (860, 269696), (896, 258860), (980, 236672), (1120, 207088), (1204, 192640), (1280, 181202), (1376, 168560), (1505, 154112), (1568, 147920), (1720, 134848), (1792, 129430), (1849, 125440), (1960, 118336), (2107, 110080), (2240, 103544), (2408, 96320), (2560, 90601), (2752, 84280), (3010, 77056), (3136, 73960), (3440, 67424), (3584, 64715), (3698, 62720), (3920, 59168), (4214, 55040), (4480, 51772), (4816, 48160), (5504, 42140), (6020, 38528), (6272, 36980), (6880, 33712), (7396, 31360), (7840, 29584), (8428, 27520), (8960, 25886), (9245, 25088), (9632, 24080), (10535, 22016), (11008, 21070), (12040, 19264), (12544, 18490), (12943, 17920), (13760, 16856), (14792, 15680)]