281013040

素因数分解:

$2^4\times 5^1\times 7^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 240

約数和(自身を含む): 875301120

約数和(自身を除く): 594288080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 80, 88, 95, 98, 110, 112, 133, 140, 152, 154, 176, 190, 196, 209, 220, 245, 266, 280, 304, 308, 343, 380, 385, 392, 418, 440, 490, 532, 539, 560, 616, 665, 686, 760, 770, 784, 836, 880, 931, 980, 1045, 1064, 1078, 1232, 1330, 1372, 1463, 1520, 1540, 1672, 1715, 1862, 1960, 2090, 2128, 2156, 2401, 2660, 2695, 2744, 2926, 3080, 3344, 3430, 3724, 3773, 3920, 4180, 4312, 4655, 4802, 5320, 5390, 5488, 5852, 6160, 6517, 6860, 7315, 7448, 7546, 8360, 8624, 9310, 9604, 10241, 10640, 10780, 11704, 12005, 13034, 13720, 14630, 14896, 15092, 16720, 16807, 18620, 18865, 19208, 20482, 21560, 23408, 24010, 26068, 26411, 27440, 29260, 30184, 32585, 33614, 37240, 37730, 38416, 40964, 43120, 45619, 48020, 51205, 52136, 52822, 58520, 60368, 65170, 67228, 71687, 74480, 75460, 81928, 84035, 91238, 96040, 102410, 104272, 105644, 117040, 130340, 132055, 134456, 143374, 150920, 163856, 168070, 182476, 184877, 192080, 204820, 211288, 228095, 260680, 264110, 268912, 286748, 301840, 319333, 336140, 358435, 364952, 369754, 409640, 422576, 456190, 501809, 521360, 528220, 573496, 638666, 672280, 716870, 729904, 739508, 819280, 912380, 924385, 1003618, 1056440, 1146992, 1277332, 1344560, 1433740, 1479016, 1596665, 1824760, 1848770, 2007236, 2112880, 2509045, 2554664, 2867480, 2958032, 3193330, 3512663, 3649520, 3697540, 4014472, 5018090, 5109328, 5734960, 6386660, 7025326, 7395080, 8028944, 10036180, 12773320, 14050652, 14790160, 17563315, 20072360, 25546640, 28101304, 35126630, 40144720, 56202608, 70253260, 140506520, 281013040]

約数ペア:

[(1, 281013040), (2, 140506520), (4, 70253260), (5, 56202608), (7, 40144720), (8, 35126630), (10, 28101304), (11, 25546640), (14, 20072360), (16, 17563315), (19, 14790160), (20, 14050652), (22, 12773320), (28, 10036180), (35, 8028944), (38, 7395080), (40, 7025326), (44, 6386660), (49, 5734960), (55, 5109328), (56, 5018090), (70, 4014472), (76, 3697540), (77, 3649520), (80, 3512663), (88, 3193330), (95, 2958032), (98, 2867480), (110, 2554664), (112, 2509045), (133, 2112880), (140, 2007236), (152, 1848770), (154, 1824760), (176, 1596665), (190, 1479016), (196, 1433740), (209, 1344560), (220, 1277332), (245, 1146992), (266, 1056440), (280, 1003618), (304, 924385), (308, 912380), (343, 819280), (380, 739508), (385, 729904), (392, 716870), (418, 672280), (440, 638666), (490, 573496), (532, 528220), (539, 521360), (560, 501809), (616, 456190), (665, 422576), (686, 409640), (760, 369754), (770, 364952), (784, 358435), (836, 336140), (880, 319333), (931, 301840), (980, 286748), (1045, 268912), (1064, 264110), (1078, 260680), (1232, 228095), (1330, 211288), (1372, 204820), (1463, 192080), (1520, 184877), (1540, 182476), (1672, 168070), (1715, 163856), (1862, 150920), (1960, 143374), (2090, 134456), (2128, 132055), (2156, 130340), (2401, 117040), (2660, 105644), (2695, 104272), (2744, 102410), (2926, 96040), (3080, 91238), (3344, 84035), (3430, 81928), (3724, 75460), (3773, 74480), (3920, 71687), (4180, 67228), (4312, 65170), (4655, 60368), (4802, 58520), (5320, 52822), (5390, 52136), (5488, 51205), (5852, 48020), (6160, 45619), (6517, 43120), (6860, 40964), (7315, 38416), (7448, 37730), (7546, 37240), (8360, 33614), (8624, 32585), (9310, 30184), (9604, 29260), (10241, 27440), (10640, 26411), (10780, 26068), (11704, 24010), (12005, 23408), (13034, 21560), (13720, 20482), (14630, 19208), (14896, 18865), (15092, 18620), (16720, 16807)]