2886660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 10483200

約数和(自身を除く): 7596540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 79, 84, 87, 90, 105, 116, 126, 140, 145, 158, 174, 180, 203, 210, 237, 252, 261, 290, 315, 316, 348, 395, 406, 420, 435, 474, 522, 553, 580, 609, 630, 711, 790, 812, 870, 948, 1015, 1044, 1106, 1185, 1218, 1260, 1305, 1422, 1580, 1659, 1740, 1827, 2030, 2212, 2291, 2370, 2436, 2610, 2765, 2844, 3045, 3318, 3555, 3654, 4060, 4582, 4740, 4977, 5220, 5530, 6090, 6636, 6873, 7110, 7308, 8295, 9135, 9164, 9954, 11060, 11455, 12180, 13746, 14220, 16037, 16590, 18270, 19908, 20619, 22910, 24885, 27492, 32074, 33180, 34365, 36540, 41238, 45820, 48111, 49770, 64148, 68730, 80185, 82476, 96222, 99540, 103095, 137460, 144333, 160370, 192444, 206190, 240555, 288666, 320740, 412380, 481110, 577332, 721665, 962220, 1443330, 2886660]

約数ペア:

[(1, 2886660), (2, 1443330), (3, 962220), (4, 721665), (5, 577332), (6, 481110), (7, 412380), (9, 320740), (10, 288666), (12, 240555), (14, 206190), (15, 192444), (18, 160370), (20, 144333), (21, 137460), (28, 103095), (29, 99540), (30, 96222), (35, 82476), (36, 80185), (42, 68730), (45, 64148), (58, 49770), (60, 48111), (63, 45820), (70, 41238), (79, 36540), (84, 34365), (87, 33180), (90, 32074), (105, 27492), (116, 24885), (126, 22910), (140, 20619), (145, 19908), (158, 18270), (174, 16590), (180, 16037), (203, 14220), (210, 13746), (237, 12180), (252, 11455), (261, 11060), (290, 9954), (315, 9164), (316, 9135), (348, 8295), (395, 7308), (406, 7110), (420, 6873), (435, 6636), (474, 6090), (522, 5530), (553, 5220), (580, 4977), (609, 4740), (630, 4582), (711, 4060), (790, 3654), (812, 3555), (870, 3318), (948, 3045), (1015, 2844), (1044, 2765), (1106, 2610), (1185, 2436), (1218, 2370), (1260, 2291), (1305, 2212), (1422, 2030), (1580, 1827), (1659, 1740)]