81351480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96847}}^1$

素因数の和:96868

約数の個数: 64

約数和(自身を含む): 278922240

約数和(自身を除く): 197570760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96847, 193694, 290541, 387388, 484235, 581082, 677929, 774776, 968470, 1162164, 1355858, 1452705, 1936940, 2033787, 2324328, 2711716, 2905410, 3389645, 3873880, 4067574, 5423432, 5810820, 6779290, 8135148, 10168935, 11621640, 13558580, 16270296, 20337870, 27117160, 40675740, 81351480]

約数ペア:

[(1, 81351480), (2, 40675740), (3, 27117160), (4, 20337870), (5, 16270296), (6, 13558580), (7, 11621640), (8, 10168935), (10, 8135148), (12, 6779290), (14, 5810820), (15, 5423432), (20, 4067574), (21, 3873880), (24, 3389645), (28, 2905410), (30, 2711716), (35, 2324328), (40, 2033787), (42, 1936940), (56, 1452705), (60, 1355858), (70, 1162164), (84, 968470), (105, 774776), (120, 677929), (140, 581082), (168, 484235), (210, 387388), (280, 290541), (420, 193694), (840, 96847)]