28429380

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 240

約数和(自身を含む): 107331840

約数和(自身を除く): 78902460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 81, 84, 90, 92, 105, 108, 109, 115, 126, 135, 138, 140, 161, 162, 180, 189, 207, 210, 218, 230, 252, 270, 276, 315, 322, 324, 327, 345, 378, 405, 414, 420, 436, 460, 483, 540, 545, 567, 621, 630, 644, 654, 690, 756, 763, 805, 810, 828, 945, 966, 981, 1035, 1090, 1134, 1242, 1260, 1308, 1380, 1449, 1526, 1610, 1620, 1635, 1863, 1890, 1932, 1962, 2070, 2180, 2268, 2289, 2415, 2484, 2507, 2835, 2898, 2943, 3052, 3105, 3220, 3270, 3726, 3780, 3815, 3924, 4140, 4347, 4578, 4830, 4905, 5014, 5670, 5796, 5886, 6210, 6540, 6867, 7245, 7452, 7521, 7630, 8694, 8829, 9156, 9315, 9660, 9810, 10028, 11340, 11445, 11772, 12420, 12535, 13041, 13734, 14490, 14715, 15042, 15260, 17388, 17549, 17658, 18630, 19620, 20601, 21735, 22563, 22890, 25070, 26082, 27468, 28980, 29430, 30084, 34335, 35098, 35316, 37260, 37605, 41202, 43470, 44145, 45126, 45780, 50140, 52164, 52647, 58860, 61803, 65205, 67689, 68670, 70196, 75210, 82404, 86940, 87745, 88290, 90252, 103005, 105294, 112815, 123606, 130410, 135378, 137340, 150420, 157941, 175490, 176580, 203067, 206010, 210588, 225630, 247212, 260820, 263235, 270756, 309015, 315882, 338445, 350980, 406134, 412020, 451260, 473823, 526470, 618030, 631764, 676890, 789705, 812268, 947646, 1015335, 1052940, 1236060, 1353780, 1421469, 1579410, 1895292, 2030670, 2369115, 2842938, 3158820, 4061340, 4738230, 5685876, 7107345, 9476460, 14214690, 28429380]

約数ペア:

[(1, 28429380), (2, 14214690), (3, 9476460), (4, 7107345), (5, 5685876), (6, 4738230), (7, 4061340), (9, 3158820), (10, 2842938), (12, 2369115), (14, 2030670), (15, 1895292), (18, 1579410), (20, 1421469), (21, 1353780), (23, 1236060), (27, 1052940), (28, 1015335), (30, 947646), (35, 812268), (36, 789705), (42, 676890), (45, 631764), (46, 618030), (54, 526470), (60, 473823), (63, 451260), (69, 412020), (70, 406134), (81, 350980), (84, 338445), (90, 315882), (92, 309015), (105, 270756), (108, 263235), (109, 260820), (115, 247212), (126, 225630), (135, 210588), (138, 206010), (140, 203067), (161, 176580), (162, 175490), (180, 157941), (189, 150420), (207, 137340), (210, 135378), (218, 130410), (230, 123606), (252, 112815), (270, 105294), (276, 103005), (315, 90252), (322, 88290), (324, 87745), (327, 86940), (345, 82404), (378, 75210), (405, 70196), (414, 68670), (420, 67689), (436, 65205), (460, 61803), (483, 58860), (540, 52647), (545, 52164), (567, 50140), (621, 45780), (630, 45126), (644, 44145), (654, 43470), (690, 41202), (756, 37605), (763, 37260), (805, 35316), (810, 35098), (828, 34335), (945, 30084), (966, 29430), (981, 28980), (1035, 27468), (1090, 26082), (1134, 25070), (1242, 22890), (1260, 22563), (1308, 21735), (1380, 20601), (1449, 19620), (1526, 18630), (1610, 17658), (1620, 17549), (1635, 17388), (1863, 15260), (1890, 15042), (1932, 14715), (1962, 14490), (2070, 13734), (2180, 13041), (2268, 12535), (2289, 12420), (2415, 11772), (2484, 11445), (2507, 11340), (2835, 10028), (2898, 9810), (2943, 9660), (3052, 9315), (3105, 9156), (3220, 8829), (3270, 8694), (3726, 7630), (3780, 7521), (3815, 7452), (3924, 7245), (4140, 6867), (4347, 6540), (4578, 6210), (4830, 5886), (4905, 5796), (5014, 5670)]