30721362

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 72990720

約数和(自身を除く): 42269358

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 79, 94, 141, 158, 197, 237, 282, 329, 394, 474, 553, 591, 658, 987, 1106, 1182, 1379, 1659, 1974, 2758, 3318, 3713, 4137, 7426, 8274, 9259, 11139, 15563, 18518, 22278, 25991, 27777, 31126, 46689, 51982, 55554, 64813, 77973, 93378, 108941, 129626, 155946, 194439, 217882, 326823, 388878, 653646, 731461, 1462922, 2194383, 4388766, 5120227, 10240454, 15360681, 30721362]

約数ペア:

[(1, 30721362), (2, 15360681), (3, 10240454), (6, 5120227), (7, 4388766), (14, 2194383), (21, 1462922), (42, 731461), (47, 653646), (79, 388878), (94, 326823), (141, 217882), (158, 194439), (197, 155946), (237, 129626), (282, 108941), (329, 93378), (394, 77973), (474, 64813), (553, 55554), (591, 51982), (658, 46689), (987, 31126), (1106, 27777), (1182, 25991), (1379, 22278), (1659, 18518), (1974, 15563), (2758, 11139), (3318, 9259), (3713, 8274), (4137, 7426)]