128695560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:580

約数の個数: 192

約数和(自身を含む): 460468800

約数和(自身を除く): 331773240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 49, 56, 60, 70, 84, 86, 98, 105, 120, 129, 140, 147, 168, 172, 196, 210, 215, 245, 258, 280, 294, 301, 344, 392, 420, 430, 490, 509, 516, 588, 602, 645, 735, 840, 860, 903, 980, 1018, 1032, 1176, 1204, 1290, 1470, 1505, 1527, 1720, 1806, 1960, 2036, 2107, 2408, 2545, 2580, 2940, 3010, 3054, 3563, 3612, 4072, 4214, 4515, 5090, 5160, 5880, 6020, 6108, 6321, 7126, 7224, 7635, 8428, 9030, 10180, 10535, 10689, 12040, 12216, 12642, 14252, 15270, 16856, 17815, 18060, 20360, 21070, 21378, 21887, 24941, 25284, 28504, 30540, 31605, 35630, 36120, 42140, 42756, 43774, 49882, 50568, 53445, 61080, 63210, 65661, 71260, 74823, 84280, 85512, 87548, 99764, 106890, 109435, 124705, 126420, 131322, 142520, 149646, 153209, 175096, 199528, 213780, 218870, 249410, 252840, 262644, 299292, 306418, 328305, 374115, 427560, 437740, 459627, 498820, 525288, 598584, 612836, 656610, 748230, 766045, 875480, 919254, 997640, 1072463, 1225672, 1313220, 1496460, 1532090, 1838508, 2144926, 2298135, 2626440, 2992920, 3064180, 3217389, 3677016, 4289852, 4596270, 5362315, 6128360, 6434778, 8579704, 9192540, 10724630, 12869556, 16086945, 18385080, 21449260, 25739112, 32173890, 42898520, 64347780, 128695560]

約数ペア:

[(1, 128695560), (2, 64347780), (3, 42898520), (4, 32173890), (5, 25739112), (6, 21449260), (7, 18385080), (8, 16086945), (10, 12869556), (12, 10724630), (14, 9192540), (15, 8579704), (20, 6434778), (21, 6128360), (24, 5362315), (28, 4596270), (30, 4289852), (35, 3677016), (40, 3217389), (42, 3064180), (43, 2992920), (49, 2626440), (56, 2298135), (60, 2144926), (70, 1838508), (84, 1532090), (86, 1496460), (98, 1313220), (105, 1225672), (120, 1072463), (129, 997640), (140, 919254), (147, 875480), (168, 766045), (172, 748230), (196, 656610), (210, 612836), (215, 598584), (245, 525288), (258, 498820), (280, 459627), (294, 437740), (301, 427560), (344, 374115), (392, 328305), (420, 306418), (430, 299292), (490, 262644), (509, 252840), (516, 249410), (588, 218870), (602, 213780), (645, 199528), (735, 175096), (840, 153209), (860, 149646), (903, 142520), (980, 131322), (1018, 126420), (1032, 124705), (1176, 109435), (1204, 106890), (1290, 99764), (1470, 87548), (1505, 85512), (1527, 84280), (1720, 74823), (1806, 71260), (1960, 65661), (2036, 63210), (2107, 61080), (2408, 53445), (2545, 50568), (2580, 49882), (2940, 43774), (3010, 42756), (3054, 42140), (3563, 36120), (3612, 35630), (4072, 31605), (4214, 30540), (4515, 28504), (5090, 25284), (5160, 24941), (5880, 21887), (6020, 21378), (6108, 21070), (6321, 20360), (7126, 18060), (7224, 17815), (7635, 16856), (8428, 15270), (9030, 14252), (10180, 12642), (10535, 12216), (10689, 12040)]