281841280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1187}}^1$

素因数の和:1266

約数の個数: 128

約数和(自身を含む): 785220480

約数和(自身を除く): 503379200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 640, 742, 848, 896, 1060, 1120, 1187, 1484, 1696, 1855, 2120, 2240, 2374, 2968, 3392, 3710, 4240, 4480, 4748, 5935, 5936, 6784, 7420, 8309, 8480, 9496, 11870, 11872, 14840, 16618, 16960, 18992, 23740, 23744, 29680, 33236, 33920, 37984, 41545, 47480, 47488, 59360, 62911, 66472, 75968, 83090, 94960, 118720, 125822, 132944, 151936, 166180, 189920, 237440, 251644, 265888, 314555, 332360, 379840, 440377, 503288, 531776, 629110, 664720, 759680, 880754, 1006576, 1063552, 1258220, 1329440, 1761508, 2013152, 2201885, 2516440, 2658880, 3523016, 4026304, 4403770, 5032880, 5317760, 7046032, 8052608, 8807540, 10065760, 14092064, 17615080, 20131520, 28184128, 35230160, 40263040, 56368256, 70460320, 140920640, 281841280]

約数ペア:

[(1, 281841280), (2, 140920640), (4, 70460320), (5, 56368256), (7, 40263040), (8, 35230160), (10, 28184128), (14, 20131520), (16, 17615080), (20, 14092064), (28, 10065760), (32, 8807540), (35, 8052608), (40, 7046032), (53, 5317760), (56, 5032880), (64, 4403770), (70, 4026304), (80, 3523016), (106, 2658880), (112, 2516440), (128, 2201885), (140, 2013152), (160, 1761508), (212, 1329440), (224, 1258220), (265, 1063552), (280, 1006576), (320, 880754), (371, 759680), (424, 664720), (448, 629110), (530, 531776), (560, 503288), (640, 440377), (742, 379840), (848, 332360), (896, 314555), (1060, 265888), (1120, 251644), (1187, 237440), (1484, 189920), (1696, 166180), (1855, 151936), (2120, 132944), (2240, 125822), (2374, 118720), (2968, 94960), (3392, 83090), (3710, 75968), (4240, 66472), (4480, 62911), (4748, 59360), (5935, 47488), (5936, 47480), (6784, 41545), (7420, 37984), (8309, 33920), (8480, 33236), (9496, 29680), (11870, 23744), (11872, 23740), (14840, 18992), (16618, 16960)]