30019960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 72277920

約数和(自身を除く): 42257960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 262, 337, 340, 524, 655, 674, 680, 1048, 1310, 1348, 1685, 2227, 2620, 2696, 3370, 4454, 5240, 5729, 6740, 8908, 11135, 11458, 13480, 17816, 22270, 22916, 28645, 44147, 44540, 45832, 57290, 88294, 89080, 114580, 176588, 220735, 229160, 353176, 441470, 750499, 882940, 1500998, 1765880, 3001996, 3752495, 6003992, 7504990, 15009980, 30019960]

約数ペア:

[(1, 30019960), (2, 15009980), (4, 7504990), (5, 6003992), (8, 3752495), (10, 3001996), (17, 1765880), (20, 1500998), (34, 882940), (40, 750499), (68, 441470), (85, 353176), (131, 229160), (136, 220735), (170, 176588), (262, 114580), (337, 89080), (340, 88294), (524, 57290), (655, 45832), (674, 44540), (680, 44147), (1048, 28645), (1310, 22916), (1348, 22270), (1685, 17816), (2227, 13480), (2620, 11458), (2696, 11135), (3370, 8908), (4454, 6740), (5240, 5729)]