28968660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 102001536

約数和(自身を除く): 73032876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 277, 315, 332, 415, 420, 498, 554, 581, 630, 747, 830, 831, 996, 1108, 1162, 1245, 1260, 1385, 1494, 1660, 1662, 1743, 1939, 2324, 2490, 2493, 2770, 2905, 2988, 3324, 3486, 3735, 3878, 4155, 4980, 4986, 5229, 5540, 5810, 5817, 6972, 7470, 7756, 8310, 8715, 9695, 9972, 10458, 11620, 11634, 12465, 14940, 16620, 17430, 17451, 19390, 20916, 22991, 23268, 24930, 26145, 29085, 34860, 34902, 38780, 45982, 49860, 52290, 58170, 68973, 69804, 87255, 91964, 104580, 114955, 116340, 137946, 160937, 174510, 206919, 229910, 275892, 321874, 344865, 349020, 413838, 459820, 482811, 643748, 689730, 804685, 827676, 965622, 1034595, 1379460, 1448433, 1609370, 1931244, 2069190, 2414055, 2896866, 3218740, 4138380, 4828110, 5793732, 7242165, 9656220, 14484330, 28968660]

約数ペア:

[(1, 28968660), (2, 14484330), (3, 9656220), (4, 7242165), (5, 5793732), (6, 4828110), (7, 4138380), (9, 3218740), (10, 2896866), (12, 2414055), (14, 2069190), (15, 1931244), (18, 1609370), (20, 1448433), (21, 1379460), (28, 1034595), (30, 965622), (35, 827676), (36, 804685), (42, 689730), (45, 643748), (60, 482811), (63, 459820), (70, 413838), (83, 349020), (84, 344865), (90, 321874), (105, 275892), (126, 229910), (140, 206919), (166, 174510), (180, 160937), (210, 137946), (249, 116340), (252, 114955), (277, 104580), (315, 91964), (332, 87255), (415, 69804), (420, 68973), (498, 58170), (554, 52290), (581, 49860), (630, 45982), (747, 38780), (830, 34902), (831, 34860), (996, 29085), (1108, 26145), (1162, 24930), (1245, 23268), (1260, 22991), (1385, 20916), (1494, 19390), (1660, 17451), (1662, 17430), (1743, 16620), (1939, 14940), (2324, 12465), (2490, 11634), (2493, 11620), (2770, 10458), (2905, 9972), (2988, 9695), (3324, 8715), (3486, 8310), (3735, 7756), (3878, 7470), (4155, 6972), (4980, 5817), (4986, 5810), (5229, 5540)]