1964475520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{438499}}^1$

素因数の和:438525

約数の個数: 64

約数和(自身を含む): 5367240000

約数和(自身を除く): 3402764480

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 438499, 876998, 1753996, 2192495, 3069493, 3507992, 4384990, 6138986, 7015984, 8769980, 12277972, 14031968, 15347465, 17539960, 24555944, 28063936, 30694930, 35079920, 49111888, 56127872, 61389860, 70159840, 98223776, 122779720, 140319680, 196447552, 245559440, 280639360, 392895104, 491118880, 982237760, 1964475520]

約数ペア:

[(1, 1964475520), (2, 982237760), (4, 491118880), (5, 392895104), (7, 280639360), (8, 245559440), (10, 196447552), (14, 140319680), (16, 122779720), (20, 98223776), (28, 70159840), (32, 61389860), (35, 56127872), (40, 49111888), (56, 35079920), (64, 30694930), (70, 28063936), (80, 24555944), (112, 17539960), (128, 15347465), (140, 14031968), (160, 12277972), (224, 8769980), (280, 7015984), (320, 6138986), (448, 4384990), (560, 3507992), (640, 3069493), (896, 2192495), (1120, 1753996), (2240, 876998), (4480, 438499)]