177907980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{18191}}^1$

素因数の和:18366

約数の個数: 48

約数和(自身を含む): 501225984

約数和(自身を除く): 323318004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 18191, 36382, 54573, 72764, 90955, 109146, 181910, 218292, 272865, 363820, 545730, 1091460, 2965133, 5930266, 8895399, 11860532, 14825665, 17790798, 29651330, 35581596, 44476995, 59302660, 88953990, 177907980]

約数ペア:

[(1, 177907980), (2, 88953990), (3, 59302660), (4, 44476995), (5, 35581596), (6, 29651330), (10, 17790798), (12, 14825665), (15, 11860532), (20, 8895399), (30, 5930266), (60, 2965133), (163, 1091460), (326, 545730), (489, 363820), (652, 272865), (815, 218292), (978, 181910), (1630, 109146), (1956, 90955), (2445, 72764), (3260, 54573), (4890, 36382), (9780, 18191)]