128901960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:828

約数の個数: 192

約数和(自身を含む): 468262080

約数和(自身を除く): 339360120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 43, 44, 45, 55, 60, 66, 72, 86, 88, 90, 99, 110, 120, 129, 132, 165, 172, 180, 198, 215, 220, 258, 264, 330, 344, 360, 387, 396, 430, 440, 473, 495, 516, 645, 660, 757, 774, 792, 860, 946, 990, 1032, 1290, 1320, 1419, 1514, 1548, 1720, 1892, 1935, 1980, 2271, 2365, 2580, 2838, 3028, 3096, 3784, 3785, 3870, 3960, 4257, 4542, 4730, 5160, 5676, 6056, 6813, 7095, 7570, 7740, 8327, 8514, 9084, 9460, 11352, 11355, 13626, 14190, 15140, 15480, 16654, 17028, 18168, 18920, 21285, 22710, 24981, 27252, 28380, 30280, 32551, 33308, 34056, 34065, 41635, 42570, 45420, 49962, 54504, 56760, 65102, 66616, 68130, 74943, 83270, 85140, 90840, 97653, 99924, 124905, 130204, 136260, 149886, 162755, 166540, 170280, 195306, 199848, 249810, 260408, 272520, 292959, 299772, 325510, 333080, 358061, 374715, 390612, 488265, 499620, 585918, 599544, 651020, 716122, 749430, 781224, 976530, 999240, 1074183, 1171836, 1302040, 1432244, 1464795, 1498860, 1790305, 1953060, 2148366, 2343672, 2864488, 2929590, 2997720, 3222549, 3580610, 3906120, 4296732, 5370915, 5859180, 6445098, 7161220, 8593464, 10741830, 11718360, 12890196, 14322440, 16112745, 21483660, 25780392, 32225490, 42967320, 64450980, 128901960]

約数ペア:

[(1, 128901960), (2, 64450980), (3, 42967320), (4, 32225490), (5, 25780392), (6, 21483660), (8, 16112745), (9, 14322440), (10, 12890196), (11, 11718360), (12, 10741830), (15, 8593464), (18, 7161220), (20, 6445098), (22, 5859180), (24, 5370915), (30, 4296732), (33, 3906120), (36, 3580610), (40, 3222549), (43, 2997720), (44, 2929590), (45, 2864488), (55, 2343672), (60, 2148366), (66, 1953060), (72, 1790305), (86, 1498860), (88, 1464795), (90, 1432244), (99, 1302040), (110, 1171836), (120, 1074183), (129, 999240), (132, 976530), (165, 781224), (172, 749430), (180, 716122), (198, 651020), (215, 599544), (220, 585918), (258, 499620), (264, 488265), (330, 390612), (344, 374715), (360, 358061), (387, 333080), (396, 325510), (430, 299772), (440, 292959), (473, 272520), (495, 260408), (516, 249810), (645, 199848), (660, 195306), (757, 170280), (774, 166540), (792, 162755), (860, 149886), (946, 136260), (990, 130204), (1032, 124905), (1290, 99924), (1320, 97653), (1419, 90840), (1514, 85140), (1548, 83270), (1720, 74943), (1892, 68130), (1935, 66616), (1980, 65102), (2271, 56760), (2365, 54504), (2580, 49962), (2838, 45420), (3028, 42570), (3096, 41635), (3784, 34065), (3785, 34056), (3870, 33308), (3960, 32551), (4257, 30280), (4542, 28380), (4730, 27252), (5160, 24981), (5676, 22710), (6056, 21285), (6813, 18920), (7095, 18168), (7570, 17028), (7740, 16654), (8327, 15480), (8514, 15140), (9084, 14190), (9460, 13626), (11352, 11355)]