281071560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1$

素因数の和:1652

約数の個数: 256

約数和(自身を含む): 1107302400

約数和(自身を除く): 826230840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 55, 56, 57, 60, 66, 70, 76, 77, 84, 88, 95, 105, 110, 114, 120, 132, 133, 140, 152, 154, 165, 168, 190, 209, 210, 220, 228, 231, 264, 266, 280, 285, 308, 330, 380, 385, 399, 418, 420, 440, 456, 462, 532, 570, 616, 627, 660, 665, 760, 770, 798, 836, 840, 924, 1045, 1064, 1140, 1155, 1254, 1320, 1330, 1463, 1540, 1596, 1601, 1672, 1848, 1995, 2090, 2280, 2310, 2508, 2660, 2926, 3080, 3135, 3192, 3202, 3990, 4180, 4389, 4620, 4803, 5016, 5320, 5852, 6270, 6404, 7315, 7980, 8005, 8360, 8778, 9240, 9606, 11207, 11704, 12540, 12808, 14630, 15960, 16010, 17556, 17611, 19212, 21945, 22414, 24015, 25080, 29260, 30419, 32020, 33621, 35112, 35222, 38424, 43890, 44828, 48030, 52833, 56035, 58520, 60838, 64040, 67242, 70444, 87780, 88055, 89656, 91257, 96060, 105666, 112070, 121676, 123277, 134484, 140888, 152095, 168105, 175560, 176110, 182514, 192120, 211332, 212933, 224140, 243352, 246554, 264165, 268968, 304190, 334609, 336210, 352220, 365028, 369831, 422664, 425866, 448280, 456285, 493108, 528330, 608380, 616385, 638799, 669218, 672420, 704440, 730056, 739662, 851732, 912570, 986216, 1003827, 1056660, 1064665, 1216760, 1232770, 1277598, 1338436, 1344840, 1479324, 1673045, 1703464, 1825140, 1849155, 2007654, 2113320, 2129330, 2342263, 2465540, 2555196, 2676872, 2958648, 3193995, 3346090, 3650280, 3698310, 4015308, 4258660, 4684526, 4931080, 5019135, 5110392, 6387990, 6692180, 7026789, 7396620, 8030616, 8517320, 9369052, 10038270, 11711315, 12775980, 13384360, 14053578, 14793240, 18738104, 20076540, 23422630, 25551960, 28107156, 35133945, 40153080, 46845260, 56214312, 70267890, 93690520, 140535780, 281071560]

約数ペア:

[(1, 281071560), (2, 140535780), (3, 93690520), (4, 70267890), (5, 56214312), (6, 46845260), (7, 40153080), (8, 35133945), (10, 28107156), (11, 25551960), (12, 23422630), (14, 20076540), (15, 18738104), (19, 14793240), (20, 14053578), (21, 13384360), (22, 12775980), (24, 11711315), (28, 10038270), (30, 9369052), (33, 8517320), (35, 8030616), (38, 7396620), (40, 7026789), (42, 6692180), (44, 6387990), (55, 5110392), (56, 5019135), (57, 4931080), (60, 4684526), (66, 4258660), (70, 4015308), (76, 3698310), (77, 3650280), (84, 3346090), (88, 3193995), (95, 2958648), (105, 2676872), (110, 2555196), (114, 2465540), (120, 2342263), (132, 2129330), (133, 2113320), (140, 2007654), (152, 1849155), (154, 1825140), (165, 1703464), (168, 1673045), (190, 1479324), (209, 1344840), (210, 1338436), (220, 1277598), (228, 1232770), (231, 1216760), (264, 1064665), (266, 1056660), (280, 1003827), (285, 986216), (308, 912570), (330, 851732), (380, 739662), (385, 730056), (399, 704440), (418, 672420), (420, 669218), (440, 638799), (456, 616385), (462, 608380), (532, 528330), (570, 493108), (616, 456285), (627, 448280), (660, 425866), (665, 422664), (760, 369831), (770, 365028), (798, 352220), (836, 336210), (840, 334609), (924, 304190), (1045, 268968), (1064, 264165), (1140, 246554), (1155, 243352), (1254, 224140), (1320, 212933), (1330, 211332), (1463, 192120), (1540, 182514), (1596, 176110), (1601, 175560), (1672, 168105), (1848, 152095), (1995, 140888), (2090, 134484), (2280, 123277), (2310, 121676), (2508, 112070), (2660, 105666), (2926, 96060), (3080, 91257), (3135, 89656), (3192, 88055), (3202, 87780), (3990, 70444), (4180, 67242), (4389, 64040), (4620, 60838), (4803, 58520), (5016, 56035), (5320, 52833), (5852, 48030), (6270, 44828), (6404, 43890), (7315, 38424), (7980, 35222), (8005, 35112), (8360, 33621), (8778, 32020), (9240, 30419), (9606, 29260), (11207, 25080), (11704, 24015), (12540, 22414), (12808, 21945), (14630, 19212), (15960, 17611), (16010, 17556)]