1406558720

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{11213}}^1$

素因数の和:11250

約数の個数: 120

約数和(自身を含む): 3923397324

約数和(自身を除く): 2516838604

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, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 6272, 7840, 8960, 11213, 12544, 15680, 17920, 22426, 25088, 31360, 44852, 56065, 62720, 78491, 89704, 112130, 125440, 156982, 179408, 224260, 313964, 358816, 392455, 448520, 549437, 627928, 717632, 784910, 897040, 1098874, 1255856, 1435264, 1569820, 1794080, 2197748, 2511712, 2747185, 2870528, 3139640, 3588160, 4395496, 5023424, 5494370, 5741056, 6279280, 7176320, 8790992, 10046848, 10988740, 12558560, 14352640, 17581984, 20093696, 21977480, 25117120, 28705280, 35163968, 40187392, 43954960, 50234240, 70327936, 87909920, 100468480, 140655872, 175819840, 200936960, 281311744, 351639680, 703279360, 1406558720]

約数ペア:

[(1, 1406558720), (2, 703279360), (4, 351639680), (5, 281311744), (7, 200936960), (8, 175819840), (10, 140655872), (14, 100468480), (16, 87909920), (20, 70327936), (28, 50234240), (32, 43954960), (35, 40187392), (40, 35163968), (49, 28705280), (56, 25117120), (64, 21977480), (70, 20093696), (80, 17581984), (98, 14352640), (112, 12558560), (128, 10988740), (140, 10046848), (160, 8790992), (196, 7176320), (224, 6279280), (245, 5741056), (256, 5494370), (280, 5023424), (320, 4395496), (392, 3588160), (448, 3139640), (490, 2870528), (512, 2747185), (560, 2511712), (640, 2197748), (784, 1794080), (896, 1569820), (980, 1435264), (1120, 1255856), (1280, 1098874), (1568, 897040), (1792, 784910), (1960, 717632), (2240, 627928), (2560, 549437), (3136, 448520), (3584, 392455), (3920, 358816), (4480, 313964), (6272, 224260), (7840, 179408), (8960, 156982), (11213, 125440), (12544, 112130), (15680, 89704), (17920, 78491), (22426, 62720), (25088, 56065), (31360, 44852)]