64650040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17761}}^1$

素因数の和:17792

約数の個数: 64

約数和(自身を含む): 179040960

約数和(自身を除く): 114390920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 17761, 35522, 71044, 88805, 124327, 142088, 177610, 230893, 248654, 355220, 461786, 497308, 621635, 710440, 923572, 994616, 1154465, 1243270, 1616251, 1847144, 2308930, 2486540, 3232502, 4617860, 4973080, 6465004, 8081255, 9235720, 12930008, 16162510, 32325020, 64650040]

約数ペア:

[(1, 64650040), (2, 32325020), (4, 16162510), (5, 12930008), (7, 9235720), (8, 8081255), (10, 6465004), (13, 4973080), (14, 4617860), (20, 3232502), (26, 2486540), (28, 2308930), (35, 1847144), (40, 1616251), (52, 1243270), (56, 1154465), (65, 994616), (70, 923572), (91, 710440), (104, 621635), (130, 497308), (140, 461786), (182, 355220), (260, 248654), (280, 230893), (364, 177610), (455, 142088), (520, 124327), (728, 88805), (910, 71044), (1820, 35522), (3640, 17761)]