272473880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31391}}^1$

素因数の和:31440

約数の個数: 64

約数和(自身を含む): 723271680

約数和(自身を除く): 450797800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 31391, 62782, 125564, 156955, 219737, 251128, 313910, 439474, 627820, 878948, 973121, 1098685, 1255640, 1757896, 1946242, 2197370, 3892484, 4394740, 4865605, 6811847, 7784968, 8789480, 9731210, 13623694, 19462420, 27247388, 34059235, 38924840, 54494776, 68118470, 136236940, 272473880]

約数ペア:

[(1, 272473880), (2, 136236940), (4, 68118470), (5, 54494776), (7, 38924840), (8, 34059235), (10, 27247388), (14, 19462420), (20, 13623694), (28, 9731210), (31, 8789480), (35, 7784968), (40, 6811847), (56, 4865605), (62, 4394740), (70, 3892484), (124, 2197370), (140, 1946242), (155, 1757896), (217, 1255640), (248, 1098685), (280, 973121), (310, 878948), (434, 627820), (620, 439474), (868, 313910), (1085, 251128), (1240, 219737), (1736, 156955), (2170, 125564), (4340, 62782), (8680, 31391)]