216172740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{233}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 709817472

約数和(自身を除く): 493644732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 233, 235, 282, 329, 420, 466, 470, 564, 658, 699, 705, 932, 940, 987, 1165, 1316, 1398, 1410, 1631, 1645, 1974, 2209, 2330, 2796, 2820, 3262, 3290, 3495, 3948, 4418, 4660, 4893, 4935, 6524, 6580, 6627, 6990, 8155, 8836, 9786, 9870, 10951, 11045, 13254, 13980, 15463, 16310, 19572, 19740, 21902, 22090, 24465, 26508, 30926, 32620, 32853, 33135, 43804, 44180, 46389, 48930, 54755, 61852, 65706, 66270, 76657, 77315, 92778, 97860, 109510, 131412, 132540, 153314, 154630, 164265, 185556, 219020, 229971, 231945, 306628, 309260, 328530, 383285, 459942, 463890, 514697, 657060, 766570, 919884, 927780, 1029394, 1149855, 1533140, 1544091, 2058788, 2299710, 2573485, 3088182, 3602879, 4599420, 5146970, 6176364, 7205758, 7720455, 10293940, 10808637, 14411516, 15440910, 18014395, 21617274, 30881820, 36028790, 43234548, 54043185, 72057580, 108086370, 216172740]

約数ペア:

[(1, 216172740), (2, 108086370), (3, 72057580), (4, 54043185), (5, 43234548), (6, 36028790), (7, 30881820), (10, 21617274), (12, 18014395), (14, 15440910), (15, 14411516), (20, 10808637), (21, 10293940), (28, 7720455), (30, 7205758), (35, 6176364), (42, 5146970), (47, 4599420), (60, 3602879), (70, 3088182), (84, 2573485), (94, 2299710), (105, 2058788), (140, 1544091), (141, 1533140), (188, 1149855), (210, 1029394), (233, 927780), (235, 919884), (282, 766570), (329, 657060), (420, 514697), (466, 463890), (470, 459942), (564, 383285), (658, 328530), (699, 309260), (705, 306628), (932, 231945), (940, 229971), (987, 219020), (1165, 185556), (1316, 164265), (1398, 154630), (1410, 153314), (1631, 132540), (1645, 131412), (1974, 109510), (2209, 97860), (2330, 92778), (2796, 77315), (2820, 76657), (3262, 66270), (3290, 65706), (3495, 61852), (3948, 54755), (4418, 48930), (4660, 46389), (4893, 44180), (4935, 43804), (6524, 33135), (6580, 32853), (6627, 32620), (6990, 30926), (8155, 26508), (8836, 24465), (9786, 22090), (9870, 21902), (10951, 19740), (11045, 19572), (13254, 16310), (13980, 15463)]