217012320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21529}}^1$

素因数の和:21557

約数の個数: 144

約数和(自身を含む): 846387360

約数和(自身を除く): 629375040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21529, 43058, 64587, 86116, 107645, 129174, 150703, 172232, 193761, 215290, 258348, 301406, 322935, 344464, 387522, 430580, 452109, 516696, 602812, 645870, 688928, 753515, 775044, 861160, 904218, 968805, 1033392, 1205624, 1291740, 1356327, 1507030, 1550088, 1722320, 1808436, 1937610, 2066784, 2260545, 2411248, 2583480, 2712654, 3014060, 3100176, 3444640, 3616872, 3875220, 4521090, 4822496, 5166960, 5425308, 6028120, 6200352, 6781635, 7233744, 7750440, 9042180, 10333920, 10850616, 12056240, 13563270, 14467488, 15500880, 18084360, 21701232, 24112480, 27126540, 31001760, 36168720, 43402464, 54253080, 72337440, 108506160, 217012320]

約数ペア:

[(1, 217012320), (2, 108506160), (3, 72337440), (4, 54253080), (5, 43402464), (6, 36168720), (7, 31001760), (8, 27126540), (9, 24112480), (10, 21701232), (12, 18084360), (14, 15500880), (15, 14467488), (16, 13563270), (18, 12056240), (20, 10850616), (21, 10333920), (24, 9042180), (28, 7750440), (30, 7233744), (32, 6781635), (35, 6200352), (36, 6028120), (40, 5425308), (42, 5166960), (45, 4822496), (48, 4521090), (56, 3875220), (60, 3616872), (63, 3444640), (70, 3100176), (72, 3014060), (80, 2712654), (84, 2583480), (90, 2411248), (96, 2260545), (105, 2066784), (112, 1937610), (120, 1808436), (126, 1722320), (140, 1550088), (144, 1507030), (160, 1356327), (168, 1291740), (180, 1205624), (210, 1033392), (224, 968805), (240, 904218), (252, 861160), (280, 775044), (288, 753515), (315, 688928), (336, 645870), (360, 602812), (420, 516696), (480, 452109), (504, 430580), (560, 387522), (630, 344464), (672, 322935), (720, 301406), (840, 258348), (1008, 215290), (1120, 193761), (1260, 172232), (1440, 150703), (1680, 129174), (2016, 107645), (2520, 86116), (3360, 64587), (5040, 43058), (10080, 21529)]