18582640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 45711360

約数和(自身を除く): 27128720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 127, 155, 236, 248, 254, 295, 310, 472, 496, 508, 590, 620, 635, 944, 1016, 1180, 1240, 1270, 1829, 2032, 2360, 2480, 2540, 3658, 3937, 4720, 5080, 7316, 7493, 7874, 9145, 10160, 14632, 14986, 15748, 18290, 19685, 29264, 29972, 31496, 36580, 37465, 39370, 59944, 62992, 73160, 74930, 78740, 119888, 146320, 149860, 157480, 232283, 299720, 314960, 464566, 599440, 929132, 1161415, 1858264, 2322830, 3716528, 4645660, 9291320, 18582640]

約数ペア:

[(1, 18582640), (2, 9291320), (4, 4645660), (5, 3716528), (8, 2322830), (10, 1858264), (16, 1161415), (20, 929132), (31, 599440), (40, 464566), (59, 314960), (62, 299720), (80, 232283), (118, 157480), (124, 149860), (127, 146320), (155, 119888), (236, 78740), (248, 74930), (254, 73160), (295, 62992), (310, 59944), (472, 39370), (496, 37465), (508, 36580), (590, 31496), (620, 29972), (635, 29264), (944, 19685), (1016, 18290), (1180, 15748), (1240, 14986), (1270, 14632), (1829, 10160), (2032, 9145), (2360, 7874), (2480, 7493), (2540, 7316), (3658, 5080), (3937, 4720)]