80271960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 271576800

約数和(自身を除く): 191304840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 109, 114, 120, 136, 152, 170, 190, 204, 218, 228, 255, 285, 323, 327, 340, 361, 380, 408, 436, 456, 510, 545, 570, 646, 654, 680, 722, 760, 872, 969, 1020, 1083, 1090, 1140, 1292, 1308, 1444, 1615, 1635, 1805, 1853, 1938, 2040, 2071, 2166, 2180, 2280, 2584, 2616, 2888, 3230, 3270, 3610, 3706, 3876, 4142, 4332, 4360, 4845, 5415, 5559, 6137, 6213, 6460, 6540, 7220, 7412, 7752, 8284, 8664, 9265, 9690, 10355, 10830, 11118, 12274, 12426, 12920, 13080, 14440, 14824, 16568, 18411, 18530, 19380, 20710, 21660, 22236, 24548, 24852, 27795, 30685, 31065, 35207, 36822, 37060, 38760, 39349, 41420, 43320, 44472, 49096, 49704, 55590, 61370, 62130, 70414, 73644, 74120, 78698, 82840, 92055, 105621, 111180, 118047, 122740, 124260, 140828, 147288, 157396, 176035, 184110, 196745, 211242, 222360, 236094, 245480, 248520, 281656, 314792, 352070, 368220, 393490, 422484, 472188, 528105, 590235, 668933, 704140, 736440, 786980, 844968, 944376, 1056210, 1180470, 1337866, 1408280, 1573960, 2006799, 2112420, 2360940, 2675732, 3344665, 4013598, 4224840, 4721880, 5351464, 6689330, 8027196, 10033995, 13378660, 16054392, 20067990, 26757320, 40135980, 80271960]

約数ペア:

[(1, 80271960), (2, 40135980), (3, 26757320), (4, 20067990), (5, 16054392), (6, 13378660), (8, 10033995), (10, 8027196), (12, 6689330), (15, 5351464), (17, 4721880), (19, 4224840), (20, 4013598), (24, 3344665), (30, 2675732), (34, 2360940), (38, 2112420), (40, 2006799), (51, 1573960), (57, 1408280), (60, 1337866), (68, 1180470), (76, 1056210), (85, 944376), (95, 844968), (102, 786980), (109, 736440), (114, 704140), (120, 668933), (136, 590235), (152, 528105), (170, 472188), (190, 422484), (204, 393490), (218, 368220), (228, 352070), (255, 314792), (285, 281656), (323, 248520), (327, 245480), (340, 236094), (361, 222360), (380, 211242), (408, 196745), (436, 184110), (456, 176035), (510, 157396), (545, 147288), (570, 140828), (646, 124260), (654, 122740), (680, 118047), (722, 111180), (760, 105621), (872, 92055), (969, 82840), (1020, 78698), (1083, 74120), (1090, 73644), (1140, 70414), (1292, 62130), (1308, 61370), (1444, 55590), (1615, 49704), (1635, 49096), (1805, 44472), (1853, 43320), (1938, 41420), (2040, 39349), (2071, 38760), (2166, 37060), (2180, 36822), (2280, 35207), (2584, 31065), (2616, 30685), (2888, 27795), (3230, 24852), (3270, 24548), (3610, 22236), (3706, 21660), (3876, 20710), (4142, 19380), (4332, 18530), (4360, 18411), (4845, 16568), (5415, 14824), (5559, 14440), (6137, 13080), (6213, 12920), (6460, 12426), (6540, 12274), (7220, 11118), (7412, 10830), (7752, 10355), (8284, 9690), (8664, 9265)]