1345960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 128

約数和(自身を含む): 4147200

約数和(自身を除く): 2801240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 23, 28, 35, 38, 40, 44, 46, 55, 56, 70, 76, 77, 88, 92, 95, 110, 115, 133, 140, 152, 154, 161, 184, 190, 209, 220, 230, 253, 266, 280, 308, 322, 380, 385, 418, 437, 440, 460, 506, 532, 616, 644, 665, 760, 770, 805, 836, 874, 920, 1012, 1045, 1064, 1265, 1288, 1330, 1463, 1540, 1610, 1672, 1748, 1771, 2024, 2090, 2185, 2530, 2660, 2926, 3059, 3080, 3220, 3496, 3542, 4180, 4370, 4807, 5060, 5320, 5852, 6118, 6440, 7084, 7315, 8360, 8740, 8855, 9614, 10120, 11704, 12236, 14168, 14630, 15295, 17480, 17710, 19228, 24035, 24472, 29260, 30590, 33649, 35420, 38456, 48070, 58520, 61180, 67298, 70840, 96140, 122360, 134596, 168245, 192280, 269192, 336490, 672980, 1345960]

約数ペア:

[(1, 1345960), (2, 672980), (4, 336490), (5, 269192), (7, 192280), (8, 168245), (10, 134596), (11, 122360), (14, 96140), (19, 70840), (20, 67298), (22, 61180), (23, 58520), (28, 48070), (35, 38456), (38, 35420), (40, 33649), (44, 30590), (46, 29260), (55, 24472), (56, 24035), (70, 19228), (76, 17710), (77, 17480), (88, 15295), (92, 14630), (95, 14168), (110, 12236), (115, 11704), (133, 10120), (140, 9614), (152, 8855), (154, 8740), (161, 8360), (184, 7315), (190, 7084), (209, 6440), (220, 6118), (230, 5852), (253, 5320), (266, 5060), (280, 4807), (308, 4370), (322, 4180), (380, 3542), (385, 3496), (418, 3220), (437, 3080), (440, 3059), (460, 2926), (506, 2660), (532, 2530), (616, 2185), (644, 2090), (665, 2024), (760, 1771), (770, 1748), (805, 1672), (836, 1610), (874, 1540), (920, 1463), (1012, 1330), (1045, 1288), (1064, 1265)]