28871040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1367}}^1$

素因数の和:1400

約数の個数: 128

約数和(自身を含む): 100465920

約数和(自身を除く): 71594880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1367, 1408, 1760, 1920, 2112, 2640, 2734, 3520, 4101, 4224, 5280, 5468, 6835, 7040, 8202, 10560, 10936, 13670, 15037, 16404, 20505, 21120, 21872, 27340, 30074, 32808, 41010, 43744, 45111, 54680, 60148, 65616, 75185, 82020, 87488, 90222, 109360, 120296, 131232, 150370, 164040, 174976, 180444, 218720, 225555, 240592, 262464, 300740, 328080, 360888, 437440, 451110, 481184, 524928, 601480, 656160, 721776, 874880, 902220, 962368, 1202960, 1312320, 1443552, 1804440, 1924736, 2405920, 2624640, 2887104, 3608880, 4811840, 5774208, 7217760, 9623680, 14435520, 28871040]

約数ペア:

[(1, 28871040), (2, 14435520), (3, 9623680), (4, 7217760), (5, 5774208), (6, 4811840), (8, 3608880), (10, 2887104), (11, 2624640), (12, 2405920), (15, 1924736), (16, 1804440), (20, 1443552), (22, 1312320), (24, 1202960), (30, 962368), (32, 902220), (33, 874880), (40, 721776), (44, 656160), (48, 601480), (55, 524928), (60, 481184), (64, 451110), (66, 437440), (80, 360888), (88, 328080), (96, 300740), (110, 262464), (120, 240592), (128, 225555), (132, 218720), (160, 180444), (165, 174976), (176, 164040), (192, 150370), (220, 131232), (240, 120296), (264, 109360), (320, 90222), (330, 87488), (352, 82020), (384, 75185), (440, 65616), (480, 60148), (528, 54680), (640, 45111), (660, 43744), (704, 41010), (880, 32808), (960, 30074), (1056, 27340), (1320, 21872), (1367, 21120), (1408, 20505), (1760, 16404), (1920, 15037), (2112, 13670), (2640, 10936), (2734, 10560), (3520, 8202), (4101, 7040), (4224, 6835), (5280, 5468)]