1969380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{521}}^1$

素因数の和:546

約数の個数: 96

約数和(自身を含む): 7015680

約数和(自身を除く): 5046300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 521, 540, 630, 756, 945, 1042, 1260, 1563, 1890, 2084, 2605, 3126, 3647, 3780, 4689, 5210, 6252, 7294, 7815, 9378, 10420, 10941, 14067, 14588, 15630, 18235, 18756, 21882, 23445, 28134, 31260, 32823, 36470, 43764, 46890, 54705, 56268, 65646, 70335, 72940, 93780, 98469, 109410, 131292, 140670, 164115, 196938, 218820, 281340, 328230, 393876, 492345, 656460, 984690, 1969380]

約数ペア:

[(1, 1969380), (2, 984690), (3, 656460), (4, 492345), (5, 393876), (6, 328230), (7, 281340), (9, 218820), (10, 196938), (12, 164115), (14, 140670), (15, 131292), (18, 109410), (20, 98469), (21, 93780), (27, 72940), (28, 70335), (30, 65646), (35, 56268), (36, 54705), (42, 46890), (45, 43764), (54, 36470), (60, 32823), (63, 31260), (70, 28134), (84, 23445), (90, 21882), (105, 18756), (108, 18235), (126, 15630), (135, 14588), (140, 14067), (180, 10941), (189, 10420), (210, 9378), (252, 7815), (270, 7294), (315, 6252), (378, 5210), (420, 4689), (521, 3780), (540, 3647), (630, 3126), (756, 2605), (945, 2084), (1042, 1890), (1260, 1563)]