163123880

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 374077440

約数和(自身を除く): 210953560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 163, 197, 254, 326, 394, 508, 635, 652, 788, 815, 985, 1016, 1270, 1304, 1576, 1630, 1970, 2540, 3260, 3940, 5080, 6520, 7880, 20701, 25019, 32111, 41402, 50038, 64222, 82804, 100076, 103505, 125095, 128444, 160555, 165608, 200152, 207010, 250190, 256888, 321110, 414020, 500380, 642220, 828040, 1000760, 1284440, 4078097, 8156194, 16312388, 20390485, 32624776, 40780970, 81561940, 163123880]

約数ペア:

[(1, 163123880), (2, 81561940), (4, 40780970), (5, 32624776), (8, 20390485), (10, 16312388), (20, 8156194), (40, 4078097), (127, 1284440), (163, 1000760), (197, 828040), (254, 642220), (326, 500380), (394, 414020), (508, 321110), (635, 256888), (652, 250190), (788, 207010), (815, 200152), (985, 165608), (1016, 160555), (1270, 128444), (1304, 125095), (1576, 103505), (1630, 100076), (1970, 82804), (2540, 64222), (3260, 50038), (3940, 41402), (5080, 32111), (6520, 25019), (7880, 20701)]