87830680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4297}}^1$

素因数の和:4388

約数の個数: 64

約数和(自身を含む): 228997440

約数和(自身を除く): 141166760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 4297, 5110, 8594, 10220, 17188, 20440, 21485, 30079, 34376, 42970, 60158, 85940, 120316, 150395, 171880, 240632, 300790, 313681, 601580, 627362, 1203160, 1254724, 1568405, 2195767, 2509448, 3136810, 4391534, 6273620, 8783068, 10978835, 12547240, 17566136, 21957670, 43915340, 87830680]

約数ペア:

[(1, 87830680), (2, 43915340), (4, 21957670), (5, 17566136), (7, 12547240), (8, 10978835), (10, 8783068), (14, 6273620), (20, 4391534), (28, 3136810), (35, 2509448), (40, 2195767), (56, 1568405), (70, 1254724), (73, 1203160), (140, 627362), (146, 601580), (280, 313681), (292, 300790), (365, 240632), (511, 171880), (584, 150395), (730, 120316), (1022, 85940), (1460, 60158), (2044, 42970), (2555, 34376), (2920, 30079), (4088, 21485), (4297, 20440), (5110, 17188), (8594, 10220)]