12495420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 44448768

約数和(自身を除く): 31953348

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 211, 235, 252, 282, 315, 329, 420, 422, 423, 470, 564, 630, 633, 658, 705, 844, 846, 940, 987, 1055, 1260, 1266, 1316, 1410, 1477, 1645, 1692, 1899, 1974, 2110, 2115, 2532, 2820, 2954, 2961, 3165, 3290, 3798, 3948, 4220, 4230, 4431, 4935, 5908, 5922, 6330, 6580, 7385, 7596, 8460, 8862, 9495, 9870, 9917, 11844, 12660, 13293, 14770, 14805, 17724, 18990, 19740, 19834, 22155, 26586, 29540, 29610, 29751, 37980, 39668, 44310, 49585, 53172, 59220, 59502, 66465, 69419, 88620, 89253, 99170, 119004, 132930, 138838, 148755, 178506, 198340, 208257, 265860, 277676, 297510, 347095, 357012, 416514, 446265, 595020, 624771, 694190, 833028, 892530, 1041285, 1249542, 1388380, 1785060, 2082570, 2499084, 3123855, 4165140, 6247710, 12495420]

約数ペア:

[(1, 12495420), (2, 6247710), (3, 4165140), (4, 3123855), (5, 2499084), (6, 2082570), (7, 1785060), (9, 1388380), (10, 1249542), (12, 1041285), (14, 892530), (15, 833028), (18, 694190), (20, 624771), (21, 595020), (28, 446265), (30, 416514), (35, 357012), (36, 347095), (42, 297510), (45, 277676), (47, 265860), (60, 208257), (63, 198340), (70, 178506), (84, 148755), (90, 138838), (94, 132930), (105, 119004), (126, 99170), (140, 89253), (141, 88620), (180, 69419), (188, 66465), (210, 59502), (211, 59220), (235, 53172), (252, 49585), (282, 44310), (315, 39668), (329, 37980), (420, 29751), (422, 29610), (423, 29540), (470, 26586), (564, 22155), (630, 19834), (633, 19740), (658, 18990), (705, 17724), (844, 14805), (846, 14770), (940, 13293), (987, 12660), (1055, 11844), (1260, 9917), (1266, 9870), (1316, 9495), (1410, 8862), (1477, 8460), (1645, 7596), (1692, 7385), (1899, 6580), (1974, 6330), (2110, 5922), (2115, 5908), (2532, 4935), (2820, 4431), (2954, 4230), (2961, 4220), (3165, 3948), (3290, 3798)]