155262680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4751}}^1$

素因数の和:4824

約数の個数: 64

約数和(自身を含む): 376358400

約数和(自身を除く): 221095720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 4751, 6536, 8170, 9502, 16340, 19004, 23755, 32680, 38008, 47510, 90269, 95020, 180538, 190040, 204293, 361076, 408586, 451345, 722152, 817172, 902690, 1021465, 1634344, 1805380, 2042930, 3610760, 3881567, 4085860, 7763134, 8171720, 15526268, 19407835, 31052536, 38815670, 77631340, 155262680]

約数ペア:

[(1, 155262680), (2, 77631340), (4, 38815670), (5, 31052536), (8, 19407835), (10, 15526268), (19, 8171720), (20, 7763134), (38, 4085860), (40, 3881567), (43, 3610760), (76, 2042930), (86, 1805380), (95, 1634344), (152, 1021465), (172, 902690), (190, 817172), (215, 722152), (344, 451345), (380, 408586), (430, 361076), (760, 204293), (817, 190040), (860, 180538), (1634, 95020), (1720, 90269), (3268, 47510), (4085, 38008), (4751, 32680), (6536, 23755), (8170, 19004), (9502, 16340)]