80411220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19423}}^1$

素因数の和:19461

約数の個数: 72

約数和(自身を含む): 254532096

約数和(自身を除く): 174120876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19423, 38846, 58269, 77692, 97115, 116538, 174807, 194230, 233076, 291345, 349614, 388460, 446729, 582690, 699228, 874035, 893458, 1165380, 1340187, 1748070, 1786916, 2233645, 2680374, 3496140, 4020561, 4467290, 5360748, 6700935, 8041122, 8934580, 13401870, 16082244, 20102805, 26803740, 40205610, 80411220]

約数ペア:

[(1, 80411220), (2, 40205610), (3, 26803740), (4, 20102805), (5, 16082244), (6, 13401870), (9, 8934580), (10, 8041122), (12, 6700935), (15, 5360748), (18, 4467290), (20, 4020561), (23, 3496140), (30, 2680374), (36, 2233645), (45, 1786916), (46, 1748070), (60, 1340187), (69, 1165380), (90, 893458), (92, 874035), (115, 699228), (138, 582690), (180, 446729), (207, 388460), (230, 349614), (276, 291345), (345, 233076), (414, 194230), (460, 174807), (690, 116538), (828, 97115), (1035, 77692), (1380, 58269), (2070, 38846), (4140, 19423)]