289327360

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{659}}^1$

素因数の和:701

約数の個数: 144

約数和(自身を含む): 809424000

約数和(自身を除く): 520096640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 560, 640, 659, 686, 784, 896, 980, 1120, 1280, 1318, 1372, 1568, 1715, 1792, 1960, 2240, 2636, 2744, 3136, 3295, 3430, 3920, 4480, 4613, 5272, 5488, 6272, 6590, 6860, 7840, 8960, 9226, 10544, 10976, 12544, 13180, 13720, 15680, 18452, 21088, 21952, 23065, 26360, 27440, 31360, 32291, 36904, 42176, 43904, 46130, 52720, 54880, 62720, 64582, 73808, 84352, 87808, 92260, 105440, 109760, 129164, 147616, 161455, 168704, 184520, 210880, 219520, 226037, 258328, 295232, 322910, 369040, 421760, 439040, 452074, 516656, 590464, 645820, 738080, 843520, 904148, 1033312, 1130185, 1180928, 1291640, 1476160, 1808296, 2066624, 2260370, 2583280, 2952320, 3616592, 4133248, 4520740, 5166560, 5904640, 7233184, 8266496, 9041480, 10333120, 14466368, 18082960, 20666240, 28932736, 36165920, 41332480, 57865472, 72331840, 144663680, 289327360]

約数ペア:

[(1, 289327360), (2, 144663680), (4, 72331840), (5, 57865472), (7, 41332480), (8, 36165920), (10, 28932736), (14, 20666240), (16, 18082960), (20, 14466368), (28, 10333120), (32, 9041480), (35, 8266496), (40, 7233184), (49, 5904640), (56, 5166560), (64, 4520740), (70, 4133248), (80, 3616592), (98, 2952320), (112, 2583280), (128, 2260370), (140, 2066624), (160, 1808296), (196, 1476160), (224, 1291640), (245, 1180928), (256, 1130185), (280, 1033312), (320, 904148), (343, 843520), (392, 738080), (448, 645820), (490, 590464), (560, 516656), (640, 452074), (659, 439040), (686, 421760), (784, 369040), (896, 322910), (980, 295232), (1120, 258328), (1280, 226037), (1318, 219520), (1372, 210880), (1568, 184520), (1715, 168704), (1792, 161455), (1960, 147616), (2240, 129164), (2636, 109760), (2744, 105440), (3136, 92260), (3295, 87808), (3430, 84352), (3920, 73808), (4480, 64582), (4613, 62720), (5272, 54880), (5488, 52720), (6272, 46130), (6590, 43904), (6860, 42176), (7840, 36904), (8960, 32291), (9226, 31360), (10544, 27440), (10976, 26360), (12544, 23065), (13180, 21952), (13720, 21088), (15680, 18452)]