28165860

素因数分解:

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

素因数の和:1274

約数の個数: 96

約数和(自身を含む): 89738880

約数和(自身を除く): 61573020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 860, 1161, 1213, 1290, 1548, 1935, 2322, 2426, 2580, 3639, 3870, 4644, 4852, 5805, 6065, 7278, 7740, 10917, 11610, 12130, 14556, 18195, 21834, 23220, 24260, 32751, 36390, 43668, 52159, 54585, 65502, 72780, 104318, 109170, 131004, 156477, 163755, 208636, 218340, 260795, 312954, 327510, 469431, 521590, 625908, 655020, 782385, 938862, 1043180, 1408293, 1564770, 1877724, 2347155, 2816586, 3129540, 4694310, 5633172, 7041465, 9388620, 14082930, 28165860]

約数ペア:

[(1, 28165860), (2, 14082930), (3, 9388620), (4, 7041465), (5, 5633172), (6, 4694310), (9, 3129540), (10, 2816586), (12, 2347155), (15, 1877724), (18, 1564770), (20, 1408293), (27, 1043180), (30, 938862), (36, 782385), (43, 655020), (45, 625908), (54, 521590), (60, 469431), (86, 327510), (90, 312954), (108, 260795), (129, 218340), (135, 208636), (172, 163755), (180, 156477), (215, 131004), (258, 109170), (270, 104318), (387, 72780), (430, 65502), (516, 54585), (540, 52159), (645, 43668), (774, 36390), (860, 32751), (1161, 24260), (1213, 23220), (1290, 21834), (1548, 18195), (1935, 14556), (2322, 12130), (2426, 11610), (2580, 10917), (3639, 7740), (3870, 7278), (4644, 6065), (4852, 5805)]