161478752

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 337818600

約数和(自身を除く): 176339848

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 89, 118, 124, 178, 236, 248, 356, 472, 496, 712, 944, 961, 992, 1424, 1829, 1888, 1922, 2759, 2848, 3658, 3844, 5251, 5518, 7316, 7688, 10502, 11036, 14632, 15376, 21004, 22072, 29264, 30752, 42008, 44144, 56699, 58528, 84016, 85529, 88288, 113398, 162781, 168032, 171058, 226796, 325562, 342116, 453592, 651124, 684232, 907184, 1302248, 1368464, 1814368, 2604496, 2736928, 5046211, 5208992, 10092422, 20184844, 40369688, 80739376, 161478752]

約数ペア:

[(1, 161478752), (2, 80739376), (4, 40369688), (8, 20184844), (16, 10092422), (31, 5208992), (32, 5046211), (59, 2736928), (62, 2604496), (89, 1814368), (118, 1368464), (124, 1302248), (178, 907184), (236, 684232), (248, 651124), (356, 453592), (472, 342116), (496, 325562), (712, 226796), (944, 171058), (961, 168032), (992, 162781), (1424, 113398), (1829, 88288), (1888, 85529), (1922, 84016), (2759, 58528), (2848, 56699), (3658, 44144), (3844, 42008), (5251, 30752), (5518, 29264), (7316, 22072), (7688, 21004), (10502, 15376), (11036, 14632)]