64897280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{7243}}^1$

素因数の和:7271

約数の個数: 72

約数和(自身を含む): 177680832

約数和(自身を除く): 112783552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 7243, 8960, 14486, 28972, 36215, 50701, 57944, 72430, 101402, 115888, 144860, 202804, 231776, 253505, 289720, 405608, 463552, 507010, 579440, 811216, 927104, 1014020, 1158880, 1622432, 1854208, 2028040, 2317760, 3244864, 4056080, 4635520, 6489728, 8112160, 9271040, 12979456, 16224320, 32448640, 64897280]

約数ペア:

[(1, 64897280), (2, 32448640), (4, 16224320), (5, 12979456), (7, 9271040), (8, 8112160), (10, 6489728), (14, 4635520), (16, 4056080), (20, 3244864), (28, 2317760), (32, 2028040), (35, 1854208), (40, 1622432), (56, 1158880), (64, 1014020), (70, 927104), (80, 811216), (112, 579440), (128, 507010), (140, 463552), (160, 405608), (224, 289720), (256, 253505), (280, 231776), (320, 202804), (448, 144860), (560, 115888), (640, 101402), (896, 72430), (1120, 57944), (1280, 50701), (1792, 36215), (2240, 28972), (4480, 14486), (7243, 8960)]