80545950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2610

約数の個数: 72

約数和(自身を含む): 219535056

約数和(自身を除く): 138989106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 710, 1065, 1278, 1775, 2130, 2521, 3195, 3550, 5042, 5325, 6390, 7563, 10650, 12605, 15126, 15975, 22689, 25210, 31950, 37815, 45378, 63025, 75630, 113445, 126050, 178991, 189075, 226890, 357982, 378150, 536973, 567225, 894955, 1073946, 1134450, 1610919, 1789910, 2684865, 3221838, 4474775, 5369730, 8054595, 8949550, 13424325, 16109190, 26848650, 40272975, 80545950]

約数ペア:

[(1, 80545950), (2, 40272975), (3, 26848650), (5, 16109190), (6, 13424325), (9, 8949550), (10, 8054595), (15, 5369730), (18, 4474775), (25, 3221838), (30, 2684865), (45, 1789910), (50, 1610919), (71, 1134450), (75, 1073946), (90, 894955), (142, 567225), (150, 536973), (213, 378150), (225, 357982), (355, 226890), (426, 189075), (450, 178991), (639, 126050), (710, 113445), (1065, 75630), (1278, 63025), (1775, 45378), (2130, 37815), (2521, 31950), (3195, 25210), (3550, 22689), (5042, 15975), (5325, 15126), (6390, 12605), (7563, 10650)]