281384320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:720

約数の個数: 128

約数和(自身を含む): 777288960

約数和(自身を除く): 495904640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 107, 112, 128, 140, 160, 214, 224, 280, 320, 428, 448, 535, 560, 587, 640, 749, 856, 896, 1070, 1120, 1174, 1498, 1712, 2140, 2240, 2348, 2935, 2996, 3424, 3745, 4109, 4280, 4480, 4696, 5870, 5992, 6848, 7490, 8218, 8560, 9392, 11740, 11984, 13696, 14980, 16436, 17120, 18784, 20545, 23480, 23968, 29960, 32872, 34240, 37568, 41090, 46960, 47936, 59920, 62809, 65744, 68480, 75136, 82180, 93920, 95872, 119840, 125618, 131488, 164360, 187840, 239680, 251236, 262976, 314045, 328720, 375680, 439663, 479360, 502472, 525952, 628090, 657440, 879326, 1004944, 1256180, 1314880, 1758652, 2009888, 2198315, 2512360, 2629760, 3517304, 4019776, 4396630, 5024720, 7034608, 8039552, 8793260, 10049440, 14069216, 17586520, 20098880, 28138432, 35173040, 40197760, 56276864, 70346080, 140692160, 281384320]

約数ペア:

[(1, 281384320), (2, 140692160), (4, 70346080), (5, 56276864), (7, 40197760), (8, 35173040), (10, 28138432), (14, 20098880), (16, 17586520), (20, 14069216), (28, 10049440), (32, 8793260), (35, 8039552), (40, 7034608), (56, 5024720), (64, 4396630), (70, 4019776), (80, 3517304), (107, 2629760), (112, 2512360), (128, 2198315), (140, 2009888), (160, 1758652), (214, 1314880), (224, 1256180), (280, 1004944), (320, 879326), (428, 657440), (448, 628090), (535, 525952), (560, 502472), (587, 479360), (640, 439663), (749, 375680), (856, 328720), (896, 314045), (1070, 262976), (1120, 251236), (1174, 239680), (1498, 187840), (1712, 164360), (2140, 131488), (2240, 125618), (2348, 119840), (2935, 95872), (2996, 93920), (3424, 82180), (3745, 75136), (4109, 68480), (4280, 65744), (4480, 62809), (4696, 59920), (5870, 47936), (5992, 46960), (6848, 41090), (7490, 37568), (8218, 34240), (8560, 32872), (9392, 29960), (11740, 23968), (11984, 23480), (13696, 20545), (14980, 18784), (16436, 17120)]