128537640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4637}}^1$

素因数の和:4672

約数の個数: 192

約数和(自身を含む): 520940160

約数和(自身を除く): 392402520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1540, 1848, 1980, 2310, 2520, 2772, 3080, 3465, 3960, 4620, 4637, 5544, 6930, 9240, 9274, 13860, 13911, 18548, 23185, 27720, 27822, 32459, 37096, 41733, 46370, 51007, 55644, 64918, 69555, 83466, 92740, 97377, 102014, 111288, 129836, 139110, 153021, 162295, 166932, 185480, 194754, 204028, 208665, 255035, 259672, 278220, 292131, 306042, 324590, 333864, 357049, 389508, 408056, 417330, 459063, 486885, 510070, 556440, 584262, 612084, 649180, 714098, 765105, 779016, 834660, 918126, 973770, 1020140, 1071147, 1168524, 1224168, 1298360, 1428196, 1460655, 1530210, 1669320, 1785245, 1836252, 1947540, 2040280, 2142294, 2295315, 2337048, 2856392, 2921310, 3060420, 3213441, 3570490, 3672504, 3895080, 4284588, 4590630, 5355735, 5842620, 6120840, 6426882, 7140980, 8569176, 9181260, 10711470, 11685240, 12853764, 14281960, 16067205, 18362520, 21422940, 25707528, 32134410, 42845880, 64268820, 128537640]

約数ペア:

[(1, 128537640), (2, 64268820), (3, 42845880), (4, 32134410), (5, 25707528), (6, 21422940), (7, 18362520), (8, 16067205), (9, 14281960), (10, 12853764), (11, 11685240), (12, 10711470), (14, 9181260), (15, 8569176), (18, 7140980), (20, 6426882), (21, 6120840), (22, 5842620), (24, 5355735), (28, 4590630), (30, 4284588), (33, 3895080), (35, 3672504), (36, 3570490), (40, 3213441), (42, 3060420), (44, 2921310), (45, 2856392), (55, 2337048), (56, 2295315), (60, 2142294), (63, 2040280), (66, 1947540), (70, 1836252), (72, 1785245), (77, 1669320), (84, 1530210), (88, 1460655), (90, 1428196), (99, 1298360), (105, 1224168), (110, 1168524), (120, 1071147), (126, 1020140), (132, 973770), (140, 918126), (154, 834660), (165, 779016), (168, 765105), (180, 714098), (198, 649180), (210, 612084), (220, 584262), (231, 556440), (252, 510070), (264, 486885), (280, 459063), (308, 417330), (315, 408056), (330, 389508), (360, 357049), (385, 333864), (396, 324590), (420, 306042), (440, 292131), (462, 278220), (495, 259672), (504, 255035), (616, 208665), (630, 204028), (660, 194754), (693, 185480), (770, 166932), (792, 162295), (840, 153021), (924, 139110), (990, 129836), (1155, 111288), (1260, 102014), (1320, 97377), (1386, 92740), (1540, 83466), (1848, 69555), (1980, 64918), (2310, 55644), (2520, 51007), (2772, 46370), (3080, 41733), (3465, 37096), (3960, 32459), (4620, 27822), (4637, 27720), (5544, 23185), (6930, 18548), (9240, 13911), (9274, 13860)]