168000280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1433

約数の個数: 128

約数和(自身を含む): 474854400

約数和(自身を除く): 306854120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 644, 665, 760, 805, 874, 920, 1064, 1288, 1330, 1373, 1610, 1748, 2185, 2660, 2746, 3059, 3220, 3496, 4370, 5320, 5492, 6118, 6440, 6865, 8740, 9611, 10984, 12236, 13730, 15295, 17480, 19222, 24472, 26087, 27460, 30590, 31579, 38444, 48055, 52174, 54920, 61180, 63158, 76888, 96110, 104348, 122360, 126316, 130435, 157895, 182609, 192220, 208696, 221053, 252632, 260870, 315790, 365218, 384440, 442106, 521740, 600001, 631580, 730436, 884212, 913045, 1043480, 1105265, 1200002, 1263160, 1460872, 1768424, 1826090, 2210530, 2400004, 3000005, 3652180, 4200007, 4421060, 4800008, 6000010, 7304360, 8400014, 8842120, 12000020, 16800028, 21000035, 24000040, 33600056, 42000070, 84000140, 168000280]

約数ペア:

[(1, 168000280), (2, 84000140), (4, 42000070), (5, 33600056), (7, 24000040), (8, 21000035), (10, 16800028), (14, 12000020), (19, 8842120), (20, 8400014), (23, 7304360), (28, 6000010), (35, 4800008), (38, 4421060), (40, 4200007), (46, 3652180), (56, 3000005), (70, 2400004), (76, 2210530), (92, 1826090), (95, 1768424), (115, 1460872), (133, 1263160), (140, 1200002), (152, 1105265), (161, 1043480), (184, 913045), (190, 884212), (230, 730436), (266, 631580), (280, 600001), (322, 521740), (380, 442106), (437, 384440), (460, 365218), (532, 315790), (644, 260870), (665, 252632), (760, 221053), (805, 208696), (874, 192220), (920, 182609), (1064, 157895), (1288, 130435), (1330, 126316), (1373, 122360), (1610, 104348), (1748, 96110), (2185, 76888), (2660, 63158), (2746, 61180), (3059, 54920), (3220, 52174), (3496, 48055), (4370, 38444), (5320, 31579), (5492, 30590), (6118, 27460), (6440, 26087), (6865, 24472), (8740, 19222), (9611, 17480), (10984, 15295), (12236, 13730)]