74872640

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2819}}^1$

素因数の和:2919

約数の個数: 56

約数和(自身を含む): 180502560

約数和(自身を除く): 105629920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2656, 2819, 3320, 5312, 5638, 6640, 11276, 13280, 14095, 22552, 26560, 28190, 45104, 56380, 90208, 112760, 180416, 225520, 233977, 451040, 467954, 902080, 935908, 1169885, 1871816, 2339770, 3743632, 4679540, 7487264, 9359080, 14974528, 18718160, 37436320, 74872640]

約数ペア:

[(1, 74872640), (2, 37436320), (4, 18718160), (5, 14974528), (8, 9359080), (10, 7487264), (16, 4679540), (20, 3743632), (32, 2339770), (40, 1871816), (64, 1169885), (80, 935908), (83, 902080), (160, 467954), (166, 451040), (320, 233977), (332, 225520), (415, 180416), (664, 112760), (830, 90208), (1328, 56380), (1660, 45104), (2656, 28190), (2819, 26560), (3320, 22552), (5312, 14095), (5638, 13280), (6640, 11276)]