257156208

素因数分解:

$2^4\times 3^7\times {\mathrm{7349}}^1$

素因数の和:7378

約数の個数: 80

約数和(自身を含む): 747348000

約数和(自身を除く): 490191792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1296, 1458, 1944, 2187, 2916, 3888, 4374, 5832, 7349, 8748, 11664, 14698, 17496, 22047, 29396, 34992, 44094, 58792, 66141, 88188, 117584, 132282, 176376, 198423, 264564, 352752, 396846, 529128, 595269, 793692, 1058256, 1190538, 1587384, 1785807, 2381076, 3174768, 3571614, 4762152, 5357421, 7143228, 9524304, 10714842, 14286456, 16072263, 21429684, 28572912, 32144526, 42859368, 64289052, 85718736, 128578104, 257156208]

約数ペア:

[(1, 257156208), (2, 128578104), (3, 85718736), (4, 64289052), (6, 42859368), (8, 32144526), (9, 28572912), (12, 21429684), (16, 16072263), (18, 14286456), (24, 10714842), (27, 9524304), (36, 7143228), (48, 5357421), (54, 4762152), (72, 3571614), (81, 3174768), (108, 2381076), (144, 1785807), (162, 1587384), (216, 1190538), (243, 1058256), (324, 793692), (432, 595269), (486, 529128), (648, 396846), (729, 352752), (972, 264564), (1296, 198423), (1458, 176376), (1944, 132282), (2187, 117584), (2916, 88188), (3888, 66141), (4374, 58792), (5832, 44094), (7349, 34992), (8748, 29396), (11664, 22047), (14698, 17496)]