645128960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:926

約数の個数: 144

約数和(自身を含む): 1788091200

約数和(自身を除く): 1142962240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 256, 280, 320, 356, 445, 448, 560, 623, 640, 712, 809, 890, 896, 1120, 1246, 1280, 1424, 1618, 1780, 1792, 2240, 2492, 2848, 3115, 3236, 3560, 4045, 4480, 4984, 5663, 5696, 6230, 6472, 7120, 8090, 8960, 9968, 11326, 11392, 12460, 12944, 14240, 16180, 19936, 22652, 22784, 24920, 25888, 28315, 28480, 32360, 39872, 45304, 49840, 51776, 56630, 56960, 64720, 72001, 79744, 90608, 99680, 103552, 113260, 113920, 129440, 144002, 159488, 181216, 199360, 207104, 226520, 258880, 288004, 360005, 362432, 398720, 453040, 504007, 517760, 576008, 720010, 724864, 797440, 906080, 1008014, 1035520, 1152016, 1440020, 1449728, 1812160, 2016028, 2304032, 2520035, 2880040, 3624320, 4032056, 4608064, 5040070, 5760080, 7248640, 8064112, 9216128, 10080140, 11520160, 16128224, 18432256, 20160280, 23040320, 32256448, 40320560, 46080640, 64512896, 80641120, 92161280, 129025792, 161282240, 322564480, 645128960]

約数ペア:

[(1, 645128960), (2, 322564480), (4, 161282240), (5, 129025792), (7, 92161280), (8, 80641120), (10, 64512896), (14, 46080640), (16, 40320560), (20, 32256448), (28, 23040320), (32, 20160280), (35, 18432256), (40, 16128224), (56, 11520160), (64, 10080140), (70, 9216128), (80, 8064112), (89, 7248640), (112, 5760080), (128, 5040070), (140, 4608064), (160, 4032056), (178, 3624320), (224, 2880040), (256, 2520035), (280, 2304032), (320, 2016028), (356, 1812160), (445, 1449728), (448, 1440020), (560, 1152016), (623, 1035520), (640, 1008014), (712, 906080), (809, 797440), (890, 724864), (896, 720010), (1120, 576008), (1246, 517760), (1280, 504007), (1424, 453040), (1618, 398720), (1780, 362432), (1792, 360005), (2240, 288004), (2492, 258880), (2848, 226520), (3115, 207104), (3236, 199360), (3560, 181216), (4045, 159488), (4480, 144002), (4984, 129440), (5663, 113920), (5696, 113260), (6230, 103552), (6472, 99680), (7120, 90608), (8090, 79744), (8960, 72001), (9968, 64720), (11326, 56960), (11392, 56630), (12460, 51776), (12944, 49840), (14240, 45304), (16180, 39872), (19936, 32360), (22652, 28480), (22784, 28315), (24920, 25888)]