80497040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 222173280

約数和(自身を除く): 141676240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 80, 85, 104, 116, 130, 136, 145, 157, 170, 208, 221, 232, 260, 272, 290, 314, 340, 377, 442, 464, 493, 520, 580, 628, 680, 754, 785, 884, 986, 1040, 1105, 1160, 1256, 1360, 1508, 1570, 1768, 1885, 1972, 2041, 2210, 2320, 2465, 2512, 2669, 3016, 3140, 3536, 3770, 3944, 4082, 4420, 4553, 4930, 5338, 6032, 6280, 6409, 7540, 7888, 8164, 8840, 9106, 9860, 10205, 10676, 12560, 12818, 13345, 15080, 16328, 17680, 18212, 19720, 20410, 21352, 22765, 25636, 26690, 30160, 32045, 32656, 34697, 36424, 39440, 40820, 42704, 45530, 51272, 53380, 59189, 64090, 69394, 72848, 77401, 81640, 91060, 102544, 106760, 118378, 128180, 138788, 154802, 163280, 173485, 182120, 213520, 236756, 256360, 277576, 295945, 309604, 346970, 364240, 387005, 473512, 512720, 555152, 591890, 619208, 693940, 774010, 947024, 1006213, 1183780, 1238416, 1387880, 1548020, 2012426, 2367560, 2775760, 3096040, 4024852, 4735120, 5031065, 6192080, 8049704, 10062130, 16099408, 20124260, 40248520, 80497040]

約数ペア:

[(1, 80497040), (2, 40248520), (4, 20124260), (5, 16099408), (8, 10062130), (10, 8049704), (13, 6192080), (16, 5031065), (17, 4735120), (20, 4024852), (26, 3096040), (29, 2775760), (34, 2367560), (40, 2012426), (52, 1548020), (58, 1387880), (65, 1238416), (68, 1183780), (80, 1006213), (85, 947024), (104, 774010), (116, 693940), (130, 619208), (136, 591890), (145, 555152), (157, 512720), (170, 473512), (208, 387005), (221, 364240), (232, 346970), (260, 309604), (272, 295945), (290, 277576), (314, 256360), (340, 236756), (377, 213520), (442, 182120), (464, 173485), (493, 163280), (520, 154802), (580, 138788), (628, 128180), (680, 118378), (754, 106760), (785, 102544), (884, 91060), (986, 81640), (1040, 77401), (1105, 72848), (1160, 69394), (1256, 64090), (1360, 59189), (1508, 53380), (1570, 51272), (1768, 45530), (1885, 42704), (1972, 40820), (2041, 39440), (2210, 36424), (2320, 34697), (2465, 32656), (2512, 32045), (2669, 30160), (3016, 26690), (3140, 25636), (3536, 22765), (3770, 21352), (3944, 20410), (4082, 19720), (4420, 18212), (4553, 17680), (4930, 16328), (5338, 15080), (6032, 13345), (6280, 12818), (6409, 12560), (7540, 10676), (7888, 10205), (8164, 9860), (8840, 9106)]