30871936

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 64627200

約数和(自身を除く): 33755264

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 79, 86, 128, 142, 158, 172, 284, 316, 344, 568, 632, 688, 1136, 1264, 1376, 2272, 2528, 2752, 3053, 3397, 4544, 5056, 5504, 5609, 6106, 6794, 9088, 10112, 11218, 12212, 13588, 22436, 24424, 27176, 44872, 48848, 54352, 89744, 97696, 108704, 179488, 195392, 217408, 241187, 358976, 390784, 434816, 482374, 717952, 964748, 1929496, 3858992, 7717984, 15435968, 30871936]

約数ペア:

[(1, 30871936), (2, 15435968), (4, 7717984), (8, 3858992), (16, 1929496), (32, 964748), (43, 717952), (64, 482374), (71, 434816), (79, 390784), (86, 358976), (128, 241187), (142, 217408), (158, 195392), (172, 179488), (284, 108704), (316, 97696), (344, 89744), (568, 54352), (632, 48848), (688, 44872), (1136, 27176), (1264, 24424), (1376, 22436), (2272, 13588), (2528, 12212), (2752, 11218), (3053, 10112), (3397, 9088), (4544, 6794), (5056, 6106), (5504, 5609)]