77953120

素因数分解:

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

素因数の和:253

約数の個数: 144

約数和(自身を含む): 219079728

約数和(自身を除く): 141126608

約数列:

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

約数ペア:

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