81468900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:842

約数の個数: 108

約数和(自身を含む): 257681424

約数和(自身を除く): 176212524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 131, 150, 180, 225, 262, 300, 393, 450, 524, 655, 691, 786, 900, 1179, 1310, 1382, 1572, 1965, 2073, 2358, 2620, 2764, 3275, 3455, 3930, 4146, 4716, 5895, 6219, 6550, 6910, 7860, 8292, 9825, 10365, 11790, 12438, 13100, 13820, 17275, 19650, 20730, 23580, 24876, 29475, 31095, 34550, 39300, 41460, 51825, 58950, 62190, 69100, 90521, 103650, 117900, 124380, 155475, 181042, 207300, 271563, 310950, 362084, 452605, 543126, 621900, 814689, 905210, 1086252, 1357815, 1629378, 1810420, 2263025, 2715630, 3258756, 4073445, 4526050, 5431260, 6789075, 8146890, 9052100, 13578150, 16293780, 20367225, 27156300, 40734450, 81468900]

約数ペア:

[(1, 81468900), (2, 40734450), (3, 27156300), (4, 20367225), (5, 16293780), (6, 13578150), (9, 9052100), (10, 8146890), (12, 6789075), (15, 5431260), (18, 4526050), (20, 4073445), (25, 3258756), (30, 2715630), (36, 2263025), (45, 1810420), (50, 1629378), (60, 1357815), (75, 1086252), (90, 905210), (100, 814689), (131, 621900), (150, 543126), (180, 452605), (225, 362084), (262, 310950), (300, 271563), (393, 207300), (450, 181042), (524, 155475), (655, 124380), (691, 117900), (786, 103650), (900, 90521), (1179, 69100), (1310, 62190), (1382, 58950), (1572, 51825), (1965, 41460), (2073, 39300), (2358, 34550), (2620, 31095), (2764, 29475), (3275, 24876), (3455, 23580), (3930, 20730), (4146, 19650), (4716, 17275), (5895, 13820), (6219, 13100), (6550, 12438), (6910, 11790), (7860, 10365), (8292, 9825)]