178383780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1290

約数の個数: 144

約数和(自身を含む): 583302720

約数和(自身を除く): 404918940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 285, 342, 380, 387, 430, 516, 570, 645, 684, 774, 817, 855, 860, 1140, 1213, 1290, 1548, 1634, 1710, 1935, 2426, 2451, 2580, 3268, 3420, 3639, 3870, 4085, 4852, 4902, 6065, 7278, 7353, 7740, 8170, 9804, 10917, 12130, 12255, 14556, 14706, 16340, 18195, 21834, 23047, 24260, 24510, 29412, 36390, 36765, 43668, 46094, 49020, 52159, 54585, 69141, 72780, 73530, 92188, 104318, 109170, 115235, 138282, 147060, 156477, 207423, 208636, 218340, 230470, 260795, 276564, 312954, 345705, 414846, 460940, 469431, 521590, 625908, 691410, 782385, 829692, 938862, 991021, 1037115, 1043180, 1382820, 1564770, 1877724, 1982042, 2074230, 2347155, 2973063, 3129540, 3964084, 4148460, 4694310, 4955105, 5946126, 8919189, 9388620, 9910210, 11892252, 14865315, 17838378, 19820420, 29730630, 35676756, 44595945, 59461260, 89191890, 178383780]

約数ペア:

[(1, 178383780), (2, 89191890), (3, 59461260), (4, 44595945), (5, 35676756), (6, 29730630), (9, 19820420), (10, 17838378), (12, 14865315), (15, 11892252), (18, 9910210), (19, 9388620), (20, 8919189), (30, 5946126), (36, 4955105), (38, 4694310), (43, 4148460), (45, 3964084), (57, 3129540), (60, 2973063), (76, 2347155), (86, 2074230), (90, 1982042), (95, 1877724), (114, 1564770), (129, 1382820), (171, 1043180), (172, 1037115), (180, 991021), (190, 938862), (215, 829692), (228, 782385), (258, 691410), (285, 625908), (342, 521590), (380, 469431), (387, 460940), (430, 414846), (516, 345705), (570, 312954), (645, 276564), (684, 260795), (774, 230470), (817, 218340), (855, 208636), (860, 207423), (1140, 156477), (1213, 147060), (1290, 138282), (1548, 115235), (1634, 109170), (1710, 104318), (1935, 92188), (2426, 73530), (2451, 72780), (2580, 69141), (3268, 54585), (3420, 52159), (3639, 49020), (3870, 46094), (4085, 43668), (4852, 36765), (4902, 36390), (6065, 29412), (7278, 24510), (7353, 24260), (7740, 23047), (8170, 21834), (9804, 18195), (10917, 16340), (12130, 14706), (12255, 14556)]