64513980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 214643520

約数和(自身を除く): 150129540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 727, 765, 870, 986, 1020, 1044, 1305, 1454, 1479, 1530, 1740, 1972, 2181, 2465, 2610, 2908, 2958, 3060, 3635, 4362, 4437, 4930, 5220, 5916, 6543, 7270, 7395, 8724, 8874, 9860, 10905, 12359, 13086, 14540, 14790, 17748, 21083, 21810, 22185, 24718, 26172, 29580, 32715, 37077, 42166, 43620, 44370, 49436, 61795, 63249, 65430, 74154, 84332, 88740, 105415, 111231, 123590, 126498, 130860, 148308, 185385, 189747, 210830, 222462, 247180, 252996, 316245, 358411, 370770, 379494, 421660, 444924, 556155, 632490, 716822, 741540, 758988, 948735, 1075233, 1112310, 1264980, 1433644, 1792055, 1897470, 2150466, 2224620, 3225699, 3584110, 3794940, 4300932, 5376165, 6451398, 7168220, 10752330, 12902796, 16128495, 21504660, 32256990, 64513980]

約数ペア:

[(1, 64513980), (2, 32256990), (3, 21504660), (4, 16128495), (5, 12902796), (6, 10752330), (9, 7168220), (10, 6451398), (12, 5376165), (15, 4300932), (17, 3794940), (18, 3584110), (20, 3225699), (29, 2224620), (30, 2150466), (34, 1897470), (36, 1792055), (45, 1433644), (51, 1264980), (58, 1112310), (60, 1075233), (68, 948735), (85, 758988), (87, 741540), (90, 716822), (102, 632490), (116, 556155), (145, 444924), (153, 421660), (170, 379494), (174, 370770), (180, 358411), (204, 316245), (255, 252996), (261, 247180), (290, 222462), (306, 210830), (340, 189747), (348, 185385), (435, 148308), (493, 130860), (510, 126498), (522, 123590), (580, 111231), (612, 105415), (727, 88740), (765, 84332), (870, 74154), (986, 65430), (1020, 63249), (1044, 61795), (1305, 49436), (1454, 44370), (1479, 43620), (1530, 42166), (1740, 37077), (1972, 32715), (2181, 29580), (2465, 26172), (2610, 24718), (2908, 22185), (2958, 21810), (3060, 21083), (3635, 17748), (4362, 14790), (4437, 14540), (4930, 13086), (5220, 12359), (5916, 10905), (6543, 9860), (7270, 8874), (7395, 8724)]