2165240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 128

約数和(自身を含む): 6566400

約数和(自身を除く): 4401160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 37, 38, 40, 44, 55, 56, 70, 74, 76, 77, 88, 95, 110, 133, 140, 148, 152, 154, 185, 190, 209, 220, 259, 266, 280, 296, 308, 370, 380, 385, 407, 418, 440, 518, 532, 616, 665, 703, 740, 760, 770, 814, 836, 1036, 1045, 1064, 1295, 1330, 1406, 1463, 1480, 1540, 1628, 1672, 2035, 2072, 2090, 2590, 2660, 2812, 2849, 2926, 3080, 3256, 3515, 4070, 4180, 4921, 5180, 5320, 5624, 5698, 5852, 7030, 7315, 7733, 8140, 8360, 9842, 10360, 11396, 11704, 14060, 14245, 14630, 15466, 16280, 19684, 22792, 24605, 28120, 28490, 29260, 30932, 38665, 39368, 49210, 54131, 56980, 58520, 61864, 77330, 98420, 108262, 113960, 154660, 196840, 216524, 270655, 309320, 433048, 541310, 1082620, 2165240]

約数ペア:

[(1, 2165240), (2, 1082620), (4, 541310), (5, 433048), (7, 309320), (8, 270655), (10, 216524), (11, 196840), (14, 154660), (19, 113960), (20, 108262), (22, 98420), (28, 77330), (35, 61864), (37, 58520), (38, 56980), (40, 54131), (44, 49210), (55, 39368), (56, 38665), (70, 30932), (74, 29260), (76, 28490), (77, 28120), (88, 24605), (95, 22792), (110, 19684), (133, 16280), (140, 15466), (148, 14630), (152, 14245), (154, 14060), (185, 11704), (190, 11396), (209, 10360), (220, 9842), (259, 8360), (266, 8140), (280, 7733), (296, 7315), (308, 7030), (370, 5852), (380, 5698), (385, 5624), (407, 5320), (418, 5180), (440, 4921), (518, 4180), (532, 4070), (616, 3515), (665, 3256), (703, 3080), (740, 2926), (760, 2849), (770, 2812), (814, 2660), (836, 2590), (1036, 2090), (1045, 2072), (1064, 2035), (1295, 1672), (1330, 1628), (1406, 1540), (1463, 1480)]