31256820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{8269}}^1$

素因数の和:8294

約数の個数: 96

約数和(自身を含む): 111148800

約数和(自身を除く): 79891980

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, 540, 630, 756, 945, 1260, 1890, 3780, 8269, 16538, 24807, 33076, 41345, 49614, 57883, 74421, 82690, 99228, 115766, 124035, 148842, 165380, 173649, 223263, 231532, 248070, 289415, 297684, 347298, 372105, 446526, 496140, 520947, 578830, 694596, 744210, 868245, 893052, 1041894, 1116315, 1157660, 1488420, 1562841, 1736490, 2083788, 2232630, 2604735, 3125682, 3472980, 4465260, 5209470, 6251364, 7814205, 10418940, 15628410, 31256820]

約数ペア:

[(1, 31256820), (2, 15628410), (3, 10418940), (4, 7814205), (5, 6251364), (6, 5209470), (7, 4465260), (9, 3472980), (10, 3125682), (12, 2604735), (14, 2232630), (15, 2083788), (18, 1736490), (20, 1562841), (21, 1488420), (27, 1157660), (28, 1116315), (30, 1041894), (35, 893052), (36, 868245), (42, 744210), (45, 694596), (54, 578830), (60, 520947), (63, 496140), (70, 446526), (84, 372105), (90, 347298), (105, 297684), (108, 289415), (126, 248070), (135, 231532), (140, 223263), (180, 173649), (189, 165380), (210, 148842), (252, 124035), (270, 115766), (315, 99228), (378, 82690), (420, 74421), (540, 57883), (630, 49614), (756, 41345), (945, 33076), (1260, 24807), (1890, 16538), (3780, 8269)]