72972560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39659}}^1$

素因数の和:39695

約数の個数: 40

約数和(自身を含む): 177042240

約数和(自身を除く): 104069680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 39659, 79318, 158636, 198295, 317272, 396590, 634544, 793180, 912157, 1586360, 1824314, 3172720, 3648628, 4560785, 7297256, 9121570, 14594512, 18243140, 36486280, 72972560]

約数ペア:

[(1, 72972560), (2, 36486280), (4, 18243140), (5, 14594512), (8, 9121570), (10, 7297256), (16, 4560785), (20, 3648628), (23, 3172720), (40, 1824314), (46, 1586360), (80, 912157), (92, 793180), (115, 634544), (184, 396590), (230, 317272), (368, 198295), (460, 158636), (920, 79318), (1840, 39659)]