217040640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:2002

約数の個数: 144

約数和(自身を含む): 717444000

約数和(自身を除く): 500403360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 192, 232, 240, 256, 290, 320, 348, 384, 435, 464, 480, 580, 640, 696, 768, 870, 928, 960, 1160, 1280, 1392, 1740, 1856, 1920, 1949, 2320, 2784, 3480, 3712, 3840, 3898, 4640, 5568, 5847, 6960, 7424, 7796, 9280, 9745, 11136, 11694, 13920, 15592, 18560, 19490, 22272, 23388, 27840, 29235, 31184, 37120, 38980, 46776, 55680, 56521, 58470, 62368, 77960, 93552, 111360, 113042, 116940, 124736, 155920, 169563, 187104, 226084, 233880, 249472, 282605, 311840, 339126, 374208, 452168, 467760, 498944, 565210, 623680, 678252, 748416, 847815, 904336, 935520, 1130420, 1247360, 1356504, 1496832, 1695630, 1808672, 1871040, 2260840, 2494720, 2713008, 3391260, 3617344, 3742080, 4521680, 5426016, 6782520, 7234688, 7484160, 9043360, 10852032, 13565040, 14469376, 18086720, 21704064, 27130080, 36173440, 43408128, 54260160, 72346880, 108520320, 217040640]

約数ペア:

[(1, 217040640), (2, 108520320), (3, 72346880), (4, 54260160), (5, 43408128), (6, 36173440), (8, 27130080), (10, 21704064), (12, 18086720), (15, 14469376), (16, 13565040), (20, 10852032), (24, 9043360), (29, 7484160), (30, 7234688), (32, 6782520), (40, 5426016), (48, 4521680), (58, 3742080), (60, 3617344), (64, 3391260), (80, 2713008), (87, 2494720), (96, 2260840), (116, 1871040), (120, 1808672), (128, 1695630), (145, 1496832), (160, 1356504), (174, 1247360), (192, 1130420), (232, 935520), (240, 904336), (256, 847815), (290, 748416), (320, 678252), (348, 623680), (384, 565210), (435, 498944), (464, 467760), (480, 452168), (580, 374208), (640, 339126), (696, 311840), (768, 282605), (870, 249472), (928, 233880), (960, 226084), (1160, 187104), (1280, 169563), (1392, 155920), (1740, 124736), (1856, 116940), (1920, 113042), (1949, 111360), (2320, 93552), (2784, 77960), (3480, 62368), (3712, 58470), (3840, 56521), (3898, 55680), (4640, 46776), (5568, 38980), (5847, 37120), (6960, 31184), (7424, 29235), (7796, 27840), (9280, 23388), (9745, 22272), (11136, 19490), (11694, 18560), (13920, 15592)]