280929440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 192

約数和(自身を含む): 789626880

約数和(自身を除く): 508697440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 32, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 152, 155, 160, 176, 190, 209, 220, 248, 271, 304, 310, 341, 352, 380, 418, 440, 496, 542, 589, 608, 620, 682, 760, 836, 880, 992, 1045, 1084, 1178, 1240, 1355, 1364, 1520, 1672, 1705, 1760, 2090, 2168, 2356, 2480, 2710, 2728, 2945, 2981, 3040, 3344, 3410, 4180, 4336, 4712, 4960, 5149, 5420, 5456, 5890, 5962, 6479, 6688, 6820, 8360, 8401, 8672, 9424, 10298, 10840, 10912, 11780, 11924, 12958, 13640, 14905, 16720, 16802, 18848, 20596, 21680, 23560, 23848, 25745, 25916, 27280, 29810, 32395, 33440, 33604, 41192, 42005, 43360, 47120, 47696, 51490, 51832, 54560, 56639, 59620, 64790, 67208, 82384, 84010, 92411, 94240, 95392, 102980, 103664, 113278, 119240, 129580, 134416, 159619, 164768, 168020, 184822, 205960, 207328, 226556, 238480, 259160, 268832, 283195, 319238, 336040, 369644, 411920, 453112, 462055, 476960, 518320, 566390, 638476, 672080, 739288, 798095, 823840, 906224, 924110, 1036640, 1132780, 1276952, 1344160, 1478576, 1596190, 1755809, 1812448, 1848220, 2265560, 2553904, 2957152, 3192380, 3511618, 3696440, 4531120, 5107808, 6384760, 7023236, 7392880, 8779045, 9062240, 12769520, 14046472, 14785760, 17558090, 25539040, 28092944, 35116180, 56185888, 70232360, 140464720, 280929440]

約数ペア:

[(1, 280929440), (2, 140464720), (4, 70232360), (5, 56185888), (8, 35116180), (10, 28092944), (11, 25539040), (16, 17558090), (19, 14785760), (20, 14046472), (22, 12769520), (31, 9062240), (32, 8779045), (38, 7392880), (40, 7023236), (44, 6384760), (55, 5107808), (62, 4531120), (76, 3696440), (80, 3511618), (88, 3192380), (95, 2957152), (110, 2553904), (124, 2265560), (152, 1848220), (155, 1812448), (160, 1755809), (176, 1596190), (190, 1478576), (209, 1344160), (220, 1276952), (248, 1132780), (271, 1036640), (304, 924110), (310, 906224), (341, 823840), (352, 798095), (380, 739288), (418, 672080), (440, 638476), (496, 566390), (542, 518320), (589, 476960), (608, 462055), (620, 453112), (682, 411920), (760, 369644), (836, 336040), (880, 319238), (992, 283195), (1045, 268832), (1084, 259160), (1178, 238480), (1240, 226556), (1355, 207328), (1364, 205960), (1520, 184822), (1672, 168020), (1705, 164768), (1760, 159619), (2090, 134416), (2168, 129580), (2356, 119240), (2480, 113278), (2710, 103664), (2728, 102980), (2945, 95392), (2981, 94240), (3040, 92411), (3344, 84010), (3410, 82384), (4180, 67208), (4336, 64790), (4712, 59620), (4960, 56639), (5149, 54560), (5420, 51832), (5456, 51490), (5890, 47696), (5962, 47120), (6479, 43360), (6688, 42005), (6820, 41192), (8360, 33604), (8401, 33440), (8672, 32395), (9424, 29810), (10298, 27280), (10840, 25916), (10912, 25745), (11780, 23848), (11924, 23560), (12958, 21680), (13640, 20596), (14905, 18848), (16720, 16802)]