155906240

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 168

約数和(自身を含む): 441636912

約数和(自身を除く): 285730672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 64, 70, 80, 98, 112, 122, 140, 160, 163, 196, 224, 244, 245, 280, 305, 320, 326, 392, 427, 448, 488, 490, 560, 610, 652, 784, 815, 854, 976, 980, 1120, 1141, 1220, 1304, 1568, 1630, 1708, 1952, 1960, 2135, 2240, 2282, 2440, 2608, 2989, 3136, 3260, 3416, 3904, 3920, 4270, 4564, 4880, 5216, 5705, 5978, 6520, 6832, 7840, 7987, 8540, 9128, 9760, 9943, 10432, 11410, 11956, 13040, 13664, 14945, 15680, 15974, 17080, 18256, 19520, 19886, 22820, 23912, 26080, 27328, 29890, 31948, 34160, 36512, 39772, 39935, 45640, 47824, 49715, 52160, 59780, 63896, 68320, 69601, 73024, 79544, 79870, 91280, 95648, 99430, 119560, 127792, 136640, 139202, 159088, 159740, 182560, 191296, 198860, 239120, 255584, 278404, 318176, 319480, 348005, 365120, 397720, 478240, 487207, 511168, 556808, 636352, 638960, 696010, 795440, 956480, 974414, 1113616, 1277920, 1392020, 1590880, 1948828, 2227232, 2436035, 2555840, 2784040, 3181760, 3897656, 4454464, 4872070, 5568080, 7795312, 9744140, 11136160, 15590624, 19488280, 22272320, 31181248, 38976560, 77953120, 155906240]

約数ペア:

[(1, 155906240), (2, 77953120), (4, 38976560), (5, 31181248), (7, 22272320), (8, 19488280), (10, 15590624), (14, 11136160), (16, 9744140), (20, 7795312), (28, 5568080), (32, 4872070), (35, 4454464), (40, 3897656), (49, 3181760), (56, 2784040), (61, 2555840), (64, 2436035), (70, 2227232), (80, 1948828), (98, 1590880), (112, 1392020), (122, 1277920), (140, 1113616), (160, 974414), (163, 956480), (196, 795440), (224, 696010), (244, 638960), (245, 636352), (280, 556808), (305, 511168), (320, 487207), (326, 478240), (392, 397720), (427, 365120), (448, 348005), (488, 319480), (490, 318176), (560, 278404), (610, 255584), (652, 239120), (784, 198860), (815, 191296), (854, 182560), (976, 159740), (980, 159088), (1120, 139202), (1141, 136640), (1220, 127792), (1304, 119560), (1568, 99430), (1630, 95648), (1708, 91280), (1952, 79870), (1960, 79544), (2135, 73024), (2240, 69601), (2282, 68320), (2440, 63896), (2608, 59780), (2989, 52160), (3136, 49715), (3260, 47824), (3416, 45640), (3904, 39935), (3920, 39772), (4270, 36512), (4564, 34160), (4880, 31948), (5216, 29890), (5705, 27328), (5978, 26080), (6520, 23912), (6832, 22820), (7840, 19886), (7987, 19520), (8540, 18256), (9128, 17080), (9760, 15974), (9943, 15680), (10432, 14945), (11410, 13664), (11956, 13040)]