15780156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 43819776

約数和(自身を除く): 28039620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 571, 588, 658, 987, 1142, 1316, 1713, 1974, 2284, 2303, 3426, 3948, 3997, 4606, 6852, 6909, 7994, 9212, 11991, 13818, 15988, 23982, 26837, 27636, 27979, 47964, 53674, 55958, 80511, 83937, 107348, 111916, 161022, 167874, 187859, 322044, 335748, 375718, 563577, 751436, 1127154, 1315013, 2254308, 2630026, 3945039, 5260052, 7890078, 15780156]

約数ペア:

[(1, 15780156), (2, 7890078), (3, 5260052), (4, 3945039), (6, 2630026), (7, 2254308), (12, 1315013), (14, 1127154), (21, 751436), (28, 563577), (42, 375718), (47, 335748), (49, 322044), (84, 187859), (94, 167874), (98, 161022), (141, 111916), (147, 107348), (188, 83937), (196, 80511), (282, 55958), (294, 53674), (329, 47964), (564, 27979), (571, 27636), (588, 26837), (658, 23982), (987, 15988), (1142, 13818), (1316, 11991), (1713, 9212), (1974, 7994), (2284, 6909), (2303, 6852), (3426, 4606), (3948, 3997)]