78566220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 254610720

約数和(自身を除く): 176044500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 173, 174, 180, 261, 270, 290, 346, 348, 435, 519, 522, 540, 580, 692, 783, 841, 865, 870, 1038, 1044, 1305, 1557, 1566, 1682, 1730, 1740, 2076, 2523, 2595, 2610, 3114, 3132, 3364, 3460, 3915, 4205, 4671, 5017, 5046, 5190, 5220, 6228, 7569, 7785, 7830, 8410, 9342, 10034, 10092, 10380, 12615, 15051, 15138, 15570, 15660, 16820, 18684, 20068, 22707, 23355, 25085, 25230, 30102, 30276, 31140, 37845, 45153, 45414, 46710, 50170, 50460, 60204, 75255, 75690, 90306, 90828, 93420, 100340, 113535, 135459, 145493, 150510, 151380, 180612, 225765, 227070, 270918, 290986, 301020, 436479, 451530, 454140, 541836, 581972, 677295, 727465, 872958, 903060, 1309437, 1354590, 1454930, 1745916, 2182395, 2618874, 2709180, 2909860, 3928311, 4364790, 5237748, 6547185, 7856622, 8729580, 13094370, 15713244, 19641555, 26188740, 39283110, 78566220]

約数ペア:

[(1, 78566220), (2, 39283110), (3, 26188740), (4, 19641555), (5, 15713244), (6, 13094370), (9, 8729580), (10, 7856622), (12, 6547185), (15, 5237748), (18, 4364790), (20, 3928311), (27, 2909860), (29, 2709180), (30, 2618874), (36, 2182395), (45, 1745916), (54, 1454930), (58, 1354590), (60, 1309437), (87, 903060), (90, 872958), (108, 727465), (116, 677295), (135, 581972), (145, 541836), (173, 454140), (174, 451530), (180, 436479), (261, 301020), (270, 290986), (290, 270918), (346, 227070), (348, 225765), (435, 180612), (519, 151380), (522, 150510), (540, 145493), (580, 135459), (692, 113535), (783, 100340), (841, 93420), (865, 90828), (870, 90306), (1038, 75690), (1044, 75255), (1305, 60204), (1557, 50460), (1566, 50170), (1682, 46710), (1730, 45414), (1740, 45153), (2076, 37845), (2523, 31140), (2595, 30276), (2610, 30102), (3114, 25230), (3132, 25085), (3364, 23355), (3460, 22707), (3915, 20068), (4205, 18684), (4671, 16820), (5017, 15660), (5046, 15570), (5190, 15138), (5220, 15051), (6228, 12615), (7569, 10380), (7785, 10092), (7830, 10034), (8410, 9342)]