68164755

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 119992320

約数和(自身を除く): 51827565

約数列:

[1, 3, 5, 15, 23, 41, 61, 69, 79, 115, 123, 183, 205, 237, 305, 345, 395, 615, 915, 943, 1185, 1403, 1817, 2501, 2829, 3239, 4209, 4715, 4819, 5451, 7015, 7503, 9085, 9717, 12505, 14145, 14457, 16195, 21045, 24095, 27255, 37515, 48585, 57523, 72285, 74497, 110837, 172569, 197579, 223491, 287615, 332511, 372485, 554185, 592737, 862845, 987895, 1117455, 1662555, 2963685, 4544317, 13632951, 22721585, 68164755]

約数ペア:

[(1, 68164755), (3, 22721585), (5, 13632951), (15, 4544317), (23, 2963685), (41, 1662555), (61, 1117455), (69, 987895), (79, 862845), (115, 592737), (123, 554185), (183, 372485), (205, 332511), (237, 287615), (305, 223491), (345, 197579), (395, 172569), (615, 110837), (915, 74497), (943, 72285), (1185, 57523), (1403, 48585), (1817, 37515), (2501, 27255), (2829, 24095), (3239, 21045), (4209, 16195), (4715, 14457), (4819, 14145), (5451, 12505), (7015, 9717), (7503, 9085)]