128313720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 192

約数和(自身を含む): 443963520

約数和(自身を除く): 315649800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 108, 120, 129, 135, 162, 172, 180, 215, 216, 243, 258, 270, 307, 324, 344, 360, 387, 405, 430, 486, 516, 540, 614, 645, 648, 774, 810, 860, 921, 972, 1032, 1080, 1161, 1215, 1228, 1290, 1535, 1548, 1620, 1720, 1842, 1935, 1944, 2322, 2430, 2456, 2580, 2763, 3070, 3096, 3240, 3483, 3684, 3870, 4605, 4644, 4860, 5160, 5526, 5805, 6140, 6966, 7368, 7740, 8289, 9210, 9288, 9720, 10449, 11052, 11610, 12280, 13201, 13815, 13932, 15480, 16578, 17415, 18420, 20898, 22104, 23220, 24867, 26402, 27630, 27864, 33156, 34830, 36840, 39603, 41445, 41796, 46440, 49734, 52245, 52804, 55260, 66005, 66312, 69660, 74601, 79206, 82890, 83592, 99468, 104490, 105608, 110520, 118809, 124335, 132010, 139320, 149202, 158412, 165780, 198015, 198936, 208980, 237618, 248670, 264020, 298404, 316824, 331560, 356427, 373005, 396030, 417960, 475236, 497340, 528040, 594045, 596808, 712854, 746010, 792060, 950472, 994680, 1069281, 1188090, 1425708, 1492020, 1584120, 1782135, 2138562, 2376180, 2851416, 2984040, 3207843, 3564270, 4277124, 4752360, 5346405, 6415686, 7128540, 8554248, 10692810, 12831372, 14257080, 16039215, 21385620, 25662744, 32078430, 42771240, 64156860, 128313720]

約数ペア:

[(1, 128313720), (2, 64156860), (3, 42771240), (4, 32078430), (5, 25662744), (6, 21385620), (8, 16039215), (9, 14257080), (10, 12831372), (12, 10692810), (15, 8554248), (18, 7128540), (20, 6415686), (24, 5346405), (27, 4752360), (30, 4277124), (36, 3564270), (40, 3207843), (43, 2984040), (45, 2851416), (54, 2376180), (60, 2138562), (72, 1782135), (81, 1584120), (86, 1492020), (90, 1425708), (108, 1188090), (120, 1069281), (129, 994680), (135, 950472), (162, 792060), (172, 746010), (180, 712854), (215, 596808), (216, 594045), (243, 528040), (258, 497340), (270, 475236), (307, 417960), (324, 396030), (344, 373005), (360, 356427), (387, 331560), (405, 316824), (430, 298404), (486, 264020), (516, 248670), (540, 237618), (614, 208980), (645, 198936), (648, 198015), (774, 165780), (810, 158412), (860, 149202), (921, 139320), (972, 132010), (1032, 124335), (1080, 118809), (1161, 110520), (1215, 105608), (1228, 104490), (1290, 99468), (1535, 83592), (1548, 82890), (1620, 79206), (1720, 74601), (1842, 69660), (1935, 66312), (1944, 66005), (2322, 55260), (2430, 52804), (2456, 52245), (2580, 49734), (2763, 46440), (3070, 41796), (3096, 41445), (3240, 39603), (3483, 36840), (3684, 34830), (3870, 33156), (4605, 27864), (4644, 27630), (4860, 26402), (5160, 24867), (5526, 23220), (5805, 22104), (6140, 20898), (6966, 18420), (7368, 17415), (7740, 16578), (8289, 15480), (9210, 13932), (9288, 13815), (9720, 13201), (10449, 12280), (11052, 11610)]