72735280

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3457}}^1$

素因数の和:3733

約数の個数: 40

約数和(自身を含む): 169801632

約数和(自身を除く): 97066352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 3457, 4208, 5260, 6914, 10520, 13828, 17285, 21040, 27656, 34570, 55312, 69140, 138280, 276560, 909191, 1818382, 3636764, 4545955, 7273528, 9091910, 14547056, 18183820, 36367640, 72735280]

約数ペア:

[(1, 72735280), (2, 36367640), (4, 18183820), (5, 14547056), (8, 9091910), (10, 7273528), (16, 4545955), (20, 3636764), (40, 1818382), (80, 909191), (263, 276560), (526, 138280), (1052, 69140), (1315, 55312), (2104, 34570), (2630, 27656), (3457, 21040), (4208, 17285), (5260, 13828), (6914, 10520)]