28769580

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 107331840

約数和(自身を除く): 78562260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 59, 60, 63, 70, 81, 84, 86, 90, 105, 108, 118, 126, 129, 135, 140, 162, 172, 177, 180, 189, 210, 215, 236, 252, 258, 270, 295, 301, 315, 324, 354, 378, 387, 405, 413, 420, 430, 516, 531, 540, 567, 590, 602, 630, 645, 708, 756, 774, 810, 826, 860, 885, 903, 945, 1062, 1134, 1161, 1180, 1204, 1239, 1260, 1290, 1505, 1548, 1593, 1620, 1652, 1770, 1806, 1890, 1935, 2065, 2124, 2268, 2322, 2478, 2537, 2580, 2655, 2709, 2835, 3010, 3186, 3483, 3540, 3612, 3717, 3780, 3870, 4130, 4515, 4644, 4779, 4956, 5074, 5310, 5418, 5670, 5805, 6020, 6195, 6372, 6966, 7434, 7611, 7740, 7965, 8127, 8260, 9030, 9558, 10148, 10620, 10836, 11151, 11340, 11610, 12390, 12685, 13545, 13932, 14868, 15222, 15930, 16254, 17415, 17759, 18060, 18585, 19116, 22302, 22833, 23220, 23895, 24381, 24780, 25370, 27090, 30444, 31860, 32508, 33453, 34830, 35518, 37170, 38055, 40635, 44604, 45666, 47790, 48762, 50740, 53277, 54180, 55755, 66906, 68499, 69660, 71036, 74340, 76110, 81270, 88795, 91332, 95580, 97524, 106554, 111510, 114165, 121905, 133812, 136998, 152220, 159831, 162540, 167265, 177590, 205497, 213108, 223020, 228330, 243810, 266385, 273996, 319662, 334530, 342495, 355180, 410994, 456660, 479493, 487620, 532770, 639324, 669060, 684990, 799155, 821988, 958986, 1027485, 1065540, 1369980, 1438479, 1598310, 1917972, 2054970, 2397465, 2876958, 3196620, 4109940, 4794930, 5753916, 7192395, 9589860, 14384790, 28769580]

約数ペア:

[(1, 28769580), (2, 14384790), (3, 9589860), (4, 7192395), (5, 5753916), (6, 4794930), (7, 4109940), (9, 3196620), (10, 2876958), (12, 2397465), (14, 2054970), (15, 1917972), (18, 1598310), (20, 1438479), (21, 1369980), (27, 1065540), (28, 1027485), (30, 958986), (35, 821988), (36, 799155), (42, 684990), (43, 669060), (45, 639324), (54, 532770), (59, 487620), (60, 479493), (63, 456660), (70, 410994), (81, 355180), (84, 342495), (86, 334530), (90, 319662), (105, 273996), (108, 266385), (118, 243810), (126, 228330), (129, 223020), (135, 213108), (140, 205497), (162, 177590), (172, 167265), (177, 162540), (180, 159831), (189, 152220), (210, 136998), (215, 133812), (236, 121905), (252, 114165), (258, 111510), (270, 106554), (295, 97524), (301, 95580), (315, 91332), (324, 88795), (354, 81270), (378, 76110), (387, 74340), (405, 71036), (413, 69660), (420, 68499), (430, 66906), (516, 55755), (531, 54180), (540, 53277), (567, 50740), (590, 48762), (602, 47790), (630, 45666), (645, 44604), (708, 40635), (756, 38055), (774, 37170), (810, 35518), (826, 34830), (860, 33453), (885, 32508), (903, 31860), (945, 30444), (1062, 27090), (1134, 25370), (1161, 24780), (1180, 24381), (1204, 23895), (1239, 23220), (1260, 22833), (1290, 22302), (1505, 19116), (1548, 18585), (1593, 18060), (1620, 17759), (1652, 17415), (1770, 16254), (1806, 15930), (1890, 15222), (1935, 14868), (2065, 13932), (2124, 13545), (2268, 12685), (2322, 12390), (2478, 11610), (2537, 11340), (2580, 11151), (2655, 10836), (2709, 10620), (2835, 10148), (3010, 9558), (3186, 9030), (3483, 8260), (3540, 8127), (3612, 7965), (3717, 7740), (3780, 7611), (3870, 7434), (4130, 6966), (4515, 6372), (4644, 6195), (4779, 6020), (4956, 5805), (5074, 5670), (5310, 5418)]