427800320

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5479}}^1$

素因数の和:5561

約数の個数: 72

約数和(自身を含む): 1041704160

約数和(自身を除く): 613903840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1220, 1280, 1952, 2440, 3904, 4880, 5479, 7808, 9760, 10958, 15616, 19520, 21916, 27395, 39040, 43832, 54790, 78080, 87664, 109580, 175328, 219160, 334219, 350656, 438320, 668438, 701312, 876640, 1336876, 1402624, 1671095, 1753280, 2673752, 3342190, 3506560, 5347504, 6684380, 7013120, 10695008, 13368760, 21390016, 26737520, 42780032, 53475040, 85560064, 106950080, 213900160, 427800320]

約数ペア:

[(1, 427800320), (2, 213900160), (4, 106950080), (5, 85560064), (8, 53475040), (10, 42780032), (16, 26737520), (20, 21390016), (32, 13368760), (40, 10695008), (61, 7013120), (64, 6684380), (80, 5347504), (122, 3506560), (128, 3342190), (160, 2673752), (244, 1753280), (256, 1671095), (305, 1402624), (320, 1336876), (488, 876640), (610, 701312), (640, 668438), (976, 438320), (1220, 350656), (1280, 334219), (1952, 219160), (2440, 175328), (3904, 109580), (4880, 87664), (5479, 78080), (7808, 54790), (9760, 43832), (10958, 39040), (15616, 27395), (19520, 21916)]